Homeland Security Digital Library

Timeline of Homeland Security Events and Milestones

Remembering 9/11 20 Years Later

Credit: DoD

On September 11, 2001, members of al-Qaeda hijacked and flew passenger airplanes into the World Trade Center’s Twin Towers in New York City; the Pentagon in Arlington County, Virginia; and into a field in Somerset, Pennsylvania, not reaching its destination target in Washington, DC, killing nearly 3,000 people and injuring 25,000 more.

San Jose Rail Yard Shooting

May 26, 2021: At the Santa Clara Valley Transportation Authority (VTA) in San Jose, CA, nine people were shot and killed by a disgruntled VTA employee in a murder-suicide.

Boulder Supermarket Shooting

March 22, 2021: A man opens fire at a King Soopers supermarket in Boulder, CO, starting in the parking lot before entering the store and continuing to fire upon customers and employees.

Atlanta Spa Shootings

March 16, 2021: A man opened fire in three separate spas in Atlanta, Georgia, killing eight people–six of whom were Asian women, and injuring one other.

2021 Texas Power Crisis

Credit: NASA|Houston power loss

February 10, 2021: Winter Storm Uri and inadequately winterized natural gas equipment contribute to a mass loss of power throughout the state of Texas.

US Capitol Riot

MAGA Mob scales walls at Capitol Building

Credit: AP Photo/Jose Luis Magana

January 6, 2021: A mob of Trump supporters breaches the Capitol Building in opposition to the Electoral College vote count of the 2020 presidential election.

2020 Nashville Bombing

Aftermath of bomb in Nashville TN

Credit: CNN/Explosion aftermath

December 25, 2020: An early morning explosion rocks downtown Nashville, injuring several people and damaging dozens of buildings.

300,000 COVID-19 Deaths

Closeup of coronavirus, a large red cell with green and blue nodules growing off it, and more cells in the background

Closeup of coronavirus

December 14, 2020: The total number of deaths from COVID-19 in the United States surpasses 300,000.

First COVID-19 Vaccine Approved

Vials of COVID-19 Vaccine

COVID-19 Vaccine

December 11, 2020: The Federal Drug Administration gives emergency use authorization to the United States’s first COVID-19 Vaccine.

200,000 COVID-19 Deaths

Closeup of coronavirus, a large red cell with green and blue nodules growing off it it and more cells in the background

Closeup of coronavirus

September 22, 2020: The total number of deaths from COVID-19 in the United States surpasses 200,000.

2020 Western United States Wildfires

Aerial of smoke from fires

Credit: U.S. National Weather Service

July 24, 2020-Present: From late July onward, the Western United States is besieged with a series of wildfires that burned over 8.2 million acres and killed at least 37 people.

100,000 COVID-19 Deaths

Closeup of coronavirus, a large red cell with green and blue nodules growing off it it and more cells in the background

Closeup of coronavirus

May 28, 2020: The total number of deaths from COVID-19 in the United States surpasses 100,000.

US Civil Unrest

police line and protest line

Police and Protesters

May 25, 2020-Present: The homicide of George Floyd during an arrest by Minneapolis police sets off months of civil unrest protesting racism and police brutality.

2020 Atlantic Hurricane Season

Aerial of Hurricane Laura

Hurricane Laura/Credit: NOAA

May 16-November 18, 2020: In the most active hurricane season on record, there were a total of 31 storms responsible for over $46 billion in damage and over 400 fatalities.

Middle Tennessee Tornadoes

Putnam Co., TN tornado damage

Credit: NWS Storm Survey

March 3, 2020: A series of seven tornadoes rips through Middle Tennessee, claiming the lives of 25 people.

Milwaukee Brewery Shooting

February 26, 2020: At the Molson Coors Beverage Company in Milwaukee, Wisconsin, an employee opened fire on coworkers, killing five before killing himself.

First COVID-19 Case in United States

Closeup of coronavirus, a large red cell with green and blue nodules growing off it it and more cells in the background

Closeup of SARS-CoV-2

January 20, 2020: A patient in the State of Washington was given the diagnosis of infection of SARS-CoV-2; the first confirmed case in the United States.

2020 Spring Tornadoes

Credit: NWS Nashville, TN

January 10, 2020-April 23, 2020: A destructive season of over 1,000 tornadoes begins early in the year, resulting in billions of dollars in damage and 78 fatalities in the U.S.

COVID-19 Pandemic

December 31, 2019-Ongoing: The WHO China Country Office was informed of cases of pneumonia of unknown causes detected in Wuhan City, Hubei Province of China. By January 20, 2019 nearly 300 cases of COVID-19 were reported in four countries.

Puerto Rico Earthquake Sequence

Credit: USGS

December 28, 2019-Present: For the last year, Puerto Rico has been inundated with a series of over 9,400 earthquakes, all with a magnitude of 1.5 or higher.

Jersey City Shooting

December 10, 2019: Two assailants opened fire at a kosher grocery store in Jersey City, NJ after shooting and killing a police officer at a nearby cemetery.

West Texas Shooting

August 31, 2019: A gunman opens fire indiscriminately on motorists and bystanders along a 15-mile stretch of road between Midland and Odessa, Texas before being shot and killed by police in a theater parking lot in Odessa.

Dayton Shooting

August 4, 2019: A gunman opens fire in a popular nightlife district in downtown Dayton, Ohio, killing nine people in less than 30 seconds before being killed by police.

El Paso Shooting

August 3, 2019: A gunman opens fire at a busy Walmart in El Paso, Texas, killing 22 people before being apprehended by police.

Virginia Beach Shooting

May 31, 2019: A gunman, DeWayne Craddock, opens fire at the city’s municipal center in Virginia Beach, VA, killing 12 people before later being shot and killed by responding police officers.

2019 California Wildfires

(Credit: NOAA)

May 7, 2019-Present: Over 6,000 wildfires have destroyed nearly 253,000 acres in California as of November 3, 2019, with the latter half of the year yielding the majority of the events.

Aurora, Illinois Shooting

February 15, 2019: At Henry Pratt Company in Aurora, Illinois, Gary Montez Martin opened fire and killed five people. The gunman was later shot and killed by responding police officers.

Camp Fire and Woolsey Fire

(Camp Fire/Credit: NASA)

November 8, 2018: The Camp Fire in Butte County, California is the deadliest and most destructive wildfire in California history, and the most destructive wildfire in the United States in a century. The same day, a destructive fire in Southern California spread rapidly through Los Angeles and Ventura counties.

Thousand Oaks Shooting

November 7, 2018: A gunman opened fire inside Borderline Bar and Grill, a country-western dance bar in Thousand Oaks, California, during a busy ‘College Country Night’ event.

Pittsburgh Synagogue Shooting

(Credit: CTO Henry; wiki commons)

October 27, 2018: Considered the deadliest attach on the Jewish community to take place in the United States in history, a gunman opened fire while Shabbat morning services and a bris were being held.

October 2018 Mail Bombing Attempts

(Credit: FBI)

October 22, 2018: Over the course of a week, a total of 15 packages containing improvised explosive devices were sent to several prominent critics of President Trump. Fortunately, none of the packages exploded outside of a controlled setting.

Hurricane Michael

(Mexico Beach, FL aftermath / Credit: NOAA)

October 10, 2018: Hurricane Michael–with maximum sustained winds of 155 mph–made landfall as a Category 4, becoming the first to do so in the region.

Hurricane Florence

(Credit: USNPS)

September 14, 2018: The slow-moving Category 1 hurricane “Florence” caused widespread damage and flooding, even inundating inland cities as major rivers all spilled over their banks.

Austin Serial Bombings

March 2-21, 2018: A string of bombings rocks Austin, Texas as a man delivers packaged bombs around the area. For nearly a month, eight package bombs were discovered, six of them detonating, until the suspect committed suicide before police could arrest him.

2018 California Wildfires

(Credit: CAL FIRE)

February 18, 2018: A combination of low humidity, wind, and extremely dry conditions led to a particularly active year for wildfires in California. A state of emergency was declared on August 4, 2018.

Stoneman Douglas High School Shooting

(Credit: formulanone/ wiki commons user)

February 14, 2018: At Marjory Stoneman Douglas High School in the city of Parkland, Florida, 19 year-old Nikolas Cruz opened fire on both students and faculty, killing more than a dozen.

Thomas Fire

(Credit: NASA)

December 4, 2017: A quick-moving wildfire began north of Santa Paula, CA south of Thomas Aquinas College, and burns over 280,000+ acres, becoming the largest wildfire in California history.

Texas Church Shooting

November 5, 2017: Devin Patrick Kelley of nearby New Braunfels, killed 26 and injured 20 others in a shooting at First Baptist Church in Sutherland Springs, Texas.

New York Truck Attack

(Credit: Gh9449, Own work)

October 31, 2017: Sayfullo Habibullaevic Saipov drove down a crowded bicycle and pedestrian path near the World Trade Center in Manhatten, New York. He drove on the pathway for several blocks, striking numerous people.

Tubbs Fire

(Credit: Phoenix7777/wiki commons)

October 8, 2017: A fast-growing fire broke out near Tubbs Lane in Calistoga, CA and would continue to burn for 23 days, becoming the most destructive wildfire in California history.

Las Vegas Shooting

(Credit: Mariordo)

October 1, 2017: Stephen Paddock of Mesquite, Nevada, fired hundreds of rifle rounds from his suite on the 32nd floor of the nearby Mandalay Bay hotel on a crowd of 22,000 concertgoers at the Route 91 Harvest Music Festival, leaving 58 people dead and 546 injured.

Hurricane Maria

Fallen Ficus Tree Earns Painter's Reward

(Credit: Lee Snyder)

September 19, 2017: The category 4 hurricane “Maria” caused widespread devastation to Puerto Rico’s transportation, agriculture, communication and energy infrastructure.

Hurricane Irma

(Credit: J.T. BLATTY / FEMA)

September 10, 2017: “Irma” made landfall as a category 4 hurricane at Cudjoe Key, Florida after devastating the U.S. Virgin Islands – St. John and St. Thomas – as a category 5 storm.

Soda Springs, ID Sequence Earthquakes

(Credit: USGS)

September 2, 2017: following a magnitude 5.3 earthquake east of Soda Springs, Idaho was a sustained and highly active sequence of aftershocks.

Hurricane Harvey

(Credit: 1st Lt. Allegra Boutch)

August 25, 2017: “Harvey” made landfall as a category 4 hurricane near Rockport, Texas causing widespread damage. Extreme rainfall produced historic flooding across Houston and surrounding areas.

Charlottesville Rally Protest

(Credit: Brennan Gilmore/wikicommons user)

August 11-12, 2017: Prior to an Alt-Right rally, a man drove his car into a crowd of protesters, killing one person and injuring 19 more.

Fort Lauderdale Airport Shooting

January 6, 2017: Near a baggage claim in Terminal 2 at the Fort Lauderdale-Hollywood airport, Iraq war veteran, Esteban Santiago, opened fire with a semi-automatic pistol in a crowd of travelers.

Ohio State University Attack

November 28, 2016: Somali refugee Abdul Razak Ali Artan, drove a vehicle into a courtyard deliberately striking pedestrians, then began attacking students with a knife after crashing the vehicle.

New York and New Jersey Bombings

(Credit: FBI)

September 17, 2016: Ahmad Rahami conducted two bombings and attempted additional bombings in various locations in New York City and New Jersey on September 17, 2016, and September 18, 2016.

St. Cloud Mall Stabbing Attack

September 17, 2016: 10 people were injured in a stabbing attack at the Crossroads Mall in St. Cloud Minnesota. The attacker, Dahir Adan, was fatally shot by an armed off-duty police officer on the scene.

Dallas Police Shooting

July 7, 2016: Micah Xavier Johnson began shooting at the end of a protest in Dallas, Texas. Five law enforcement officers were killed; nine were wounded, including seven law enforcement officers. The shooter was killed by a bomb-carrying robot.

Pulse Nightclub Shooting

(Credit: White House, David Lienemann)

June 12, 2016: Omar Mir Seddique Mateen began shooting patrons inside Pulse nightclub in Orlando, Florida. Forty-nine people were killed; 53 were wounded.

Western/Southeast Wildfires – Summer/Fall 2016

Widlfire, Great Smoky Mountains - NPS

(Credit: National Park Service)

June-December 2016: Drought conditions contributed to an active wildfire season with over 5.0 million acres burned nationally. A devastating firestorm impacted Gatlinburg, Tennessee when hurricane-force wind gusts in extremely dry conditions created volatile wildfire behavior.

San Bernardino Shooting

December 2, 2015: Husband and wife, Syed Rizwan Farook and Tashfeen Malik began shooting at coworkers of one of the shooters at an event in the Inland Regional Center in San Bernardino, California. Fourteen people were killed; twenty-two were wounded.

Colorado Planned Parenthood Shooting

November 27, 2015: Robert Lewis Dear, Jr. opened fire at a Planned Parenthood Clinic in Colorado Springs, Colorado, killing 3 and injuring 9.

Umpqua Community College Shootings

October 1, 2015: Christopher Sean Harper-Mercer began shooting classmates in a classroom on the campus of Umpqua Community College in Roseburg, Oregon. Nine people were killed; seven were wounded.

Lafayette Movie Theater Shooting

July 23, 2015: An assailant opened fire at the Grand 16 theater in Lafayette, Louisiana. With a history of mental problems, he legally purchased a gun from an Alabama pawn shop.

Chattanooga Shootings

July 16, 2015: Mohammad Youssuf Abdulazeez began shooting at the Armed Forces Career Center in Chattanooga, Tennessee, wounding a U.S. Marine. The shooter then drove to the Navy and Marine Reserve Center, where he killed 4 U.S. Marines and wounded a law enforcement officer and a U.S. navy sailor who died a few days later.

OPM Data Breach

Credit: U.S. Navy)

July 9, 2015: The United States Office of Personnel Management (OPM) “concluded with high confidence that sensitive information, including the Social Security Numbers (SSNs) of 21.5 million individuals, was stolen from the background investigation databases.” — OPM

Charleston Church Shooting

June 17, 2015: Dylann Storm Roof began shooting at prayer service at the Emanuel African Methodist Episcopal Church in Charleston, South Carolina. Nine people were killed; no one was wounded.

Western and Alaskan Wildfires – Summer/Fall 2015

Sockeye Wildfire, Alaska 2015

(Credit: CDC)

June-November 2015: Wildfires burned over 10.1 million acres across the U.S. in 2015, surpassing 2006 for the highest annual total of U.S. acreage burned since record-keeping began in 1960.

Five Cybersecurity Bills Become Law

December 18, 2015: In the 113th Congress, five significant cybersecurity bills were signed by President Barack Obama.

South Napa, CA Earthquake

(Credit: Erol Kalkan/ US Geological Survey)

August 24, 2014: A magnitude 6.0 earthquake hit in South Napa, California. It was the largest earthquake to hit the San Francisco Bay Area in 25 years.

Las Vegas Police Ambush

July 8, 2014: Two Las Vegas Metropolitan Police Department officers were ambushed and killed by two assailants. The assailants went on to instigate an active shooter situation, killing a Good Samaritan civilian who attempted to intervene.

Isla Vista Rampage

May 23, 2014: Elliot Rodger began shooting in the first of 17 locations in Isla Vista, California. After stabbing 3 inside his apartment earlier that day, the shooter began driving through town, shooting from his car.

2014 Fort Hood Shooting

(Credit: U.S. Army/Sgt. Mikki L. Sprenkle)

April 2, 2014: Ivan Antonio Lopez-Lopez began shooting inside an administrative office on the Fort Hood Army Base in Texas. The active-duty soldier then moved from one location to another, firing inside and outside buildings. Three soldiers were killed; 12 were wounded. — FBI, Active Shooter Incidents

Flint Water Crisis

(Credit: Ray Crayton/ USAF)

April 2014: Flint, MI loses access to safe, reliable drinking water when the city switched its water source from Lake Huron to Flint River, which has been found contaminated with high concentrations of lead.

Oso Landslide

(Credit: Jonathan Godt, USGS)

March 22, 2014: Four miles east of Oso, Washington, a massive landslide claimed 43 lives, and destroyed 49 homes and other structures.

NIST releases First Cybersecurity Framework

February 12, 2014: “Created through collaboration between industry and government, the voluntary Framework consists of standards, guidelines, and practices to promote the protection of critical infrastructure. The prioritized, flexible, repeatable, and cost-effective approach of the Framework helps owners and operators of critical infrastructure to manage cybersecurity-related risk.” — National Institute of Standards and Technology (NIST)

Navy Yard Shooting

(Credit: Tim Evanson)

September 16, 2013: Aaron Alexis began shooting in Building 197 at the Washington Navy Yard in Washington, D.C.

West Fertilizer Company Fire and Explosion

(Credit: CSB)

April 17, 2013: The fire and explosion at the West Fertilizer Company (WFC) in West, Texas was described as “one of the most destructive incidents ever investigated by the U.S. Chemical Safety and Hazard Investigation Board (CSB).”

Boston Marathon Bombings

April 15, 2013: At the annual Boston Marathon, 282 people were injured and four were killed, including an MIT police officer, when two pressure-cooker bombs exploded near the crowded finish line.

Christopher Dorner Shootings and Manhunt

February 3-12, 2013: Former Los Angeles Police Department officer Christopher Dorner began a manifesto-fueled rampage, targeting civilians and law enforcement alike. The incident left four dead and several wounded across multiple counties and involved law enforcement from multiple jurisdictions.

Sandy Recovery Improvement Act of 2013

January 29, 2013: President Barack Obama signed into law the Sandy Recovery Improvement Act (SRIA) of 2013 and the accompanying Disaster Relief Appropriations Act, 2013.

Sandy Hook School Shooting

(Credit: Aviano AFB)

December 14, 2012: In the space of several minutes, Adam Lanza killed 20 elementary school children and six adults at the Sandy Hook Elementary School in Newtown, Connecticut. The tragic event heightened growing concerns about school security and gun control laws.

Hurricane Sandy

(Credit: NASA/GSFC/William Putman)

October 22, 2013: “Superstorm Sandy” formed off a tropical wave in the Caribbean Sea. It would end up killing 233 people over the span of eight countries, with 159 deaths in the U.S. alone. Total damages resulting from the storm exceeded $70 billion.

Benghazi Attack

(Credit: Senior Airman Steele C.G. Britton/ USAF)

September 11, 2012: the American diplomatic compound in Benghazi, Libya was attacked by members of Ansar al-Sharia. The group launched a mortar attack at a CIA annex the next morning, approximately one mile away.

Sikh Temple Shooting

August 5, 2012: Wade Michael Page began shooting outside the Sikh Temple of Wisconsin in Oak Creek, Wisconsin. Six people were killed; four were wounded, including one police officer.

Aurora Century 16 Theater Shooting

July 20, 2012: During a midnight screening of the Batman film The Dark Knight Rises, James Eagan Holmes, dressed in tactical clothing, set off teargas grenades and shot into the audience with multiple firearms. Minutes later, responding police arrested Holmes outside the theater. — U.S. Dept. of Justice, Community Oriented Policing Services

2012 U.S. Drought/Heatwave

January-December 2012: The 2012 drought is the most extensive drought to affect the U.S. since the 1930s. Moderate to extreme drought conditions affected more than half the country for a majority of 2012.

Mineral, VA Earthquake

(Credit: USNPS)

August 23, 2011: A magnitude 5.8 earthquake struck near Mineral, Virginia. It was the largest earthquake in the eastern U.S. since 1944.

EF-5 Tornado – Joplin, MO

Destruction from Joplin tornado

(Credit: Jace Anderson/FEMA)

May 22, 2011: An EF-5 tornado devastated the city of Joplin, MO, leaving an estimated 157 people dead. It is the deadliest single tornado since modern record-keeping began in 1950 and is ranked as the 7th deadliest in U.S. history.

International Strategy for Cyberspace

May 16, 2011: The International Strategy for Cyberspace: Prosperity, Security, and Openness in a Networked World, released by the Barack Obama White House, “marks the first time any Administration has attempted to set forth in one document the U.S. government’s vision for cyberspace, including goals for defense, diplomacy, and international development.” — CRS

2011 Tornado Super Outbreak

Tornado sweeps across plains

(Credit: Amanda L. Hill, NOAA)

April 25-28, 2011: An outbreak of 362 tornadoes occurred over just four days, surpassing the previous record for all of April by nearly 100, but also accounting for almost half of the confirmed tornadoes during the month. (On This Day: 2011 Tornado Super Outbreak).

Shooting at Gabrielle Giffords’ ‘Congress on Your Corner’ Event

January 8, 2011: Jared Lee Loughner began shooting during a congressional town hall meeting sponsored by U.S. Representative Gabrielle Giffords outside a Safeway store in Tucson, Arizona. Six people were killed; 13 were wounded, including Rep. Giffords.

San Bruno Pipeline Explosion

(Credit: MisterOh/wiki user)

September 9, 2010: A PG&E pipeline ruptured and exploded in the Crestmoor residential neighborhood of San Bruno, CA.

Stuxnet Worm

June 2010: Discovery of the Stuxnet worm exposes the vulnerability of critical infrastructure and computer systems to attack. Countries known to have been affected by the Stuxnet worm include Iran, Indonesia, India, Pakistan, Germany, China and the United States.

Deepwater Horizon Oil Spill

(Credit: U.S. Coast Guard)

April 20, 2010: The Deepwater Horizon Macondo oil well drilling platform explodes and starts the largest marine oil spill in U.S. history. Millions of barrels of oil is released into the Gulf of Mexico over a span of 87 days.

Upper Big Branch Mine Disaster

(Credit: Gov. Earl Ray Tomblin)

April 5, 2010: A coal mine located in Montcoal, West Virginia suffers a massive coal dust explosion started as a methane ignition.

Austin Plane Crash

(Credit: Jasleen Kaur)

February 18, 2010: Andrew Joseph Stack deliberately flew his small single engine aircraft into the Echelon I office building which housed an IRS office in Austin, Texas.

2009 Fort Hood Shooting

November 5, 2009: Nidal Malik Hasan began shooting inside the Fort Hood Soldier Readiness Processing Center in Fort Hood, Texas. Thirteen people were killed; 32 were wounded, including one police officer. — FBI, Active Shooter Incidents

Binghamton Shootings

April 3, 2009: The American Civic Association Shooting, in Binghamton New York, was the deadliest mass shooting in the United States since the 2007 massacre at Virginia Tech. — Broome County AAR

Tennessee Ash Spill

(Credit: Tennessee Valley Authority)

December 22, 2008: an ash pond dike broke, which released 5.4 million cubic yards of coal ash. The spill covered over 300 acres of Watts Bar Reservoir.

2008 Cyberattack on United States DoD

October 2008: DOD experienced a wake-up call in October 2008 when an intrusion into military networks extended to the classified realm. — DoD News

9/11 Commission Act of 2007

August 3, 2007: Public Law 110-53: Implementing Recommendations of the 9/11 Commission Act of 2007 is signed into law.

I-35 Bridge Collapse

(Credit: Clindberg/Flikr user)

August 1, 2007: The Mississippi River Bridge in Minneapolis, MN collapses into the river with no warning. Approximately 120 vehicles went down with the 40-year old bridge, including a school bus full of children.

Western Wildfires – Summer 2007

(Credit: NASA)

June-August 2007: Drought conditions and high winds over much of the western U.S. resulted in numerous wildfires. National acreage burned exceeded 8.9 million acres, and over 3,000 homes and structures were destroyed in southern California alone.

Virginia Tech Shooting

(Credit: Eric Draper/White House)

April 16, 2007: “Seung Hui Cho began shooting in a dormitory at Virginia Polytechnic Institute and State University in Blacksburg, Virginia. Two-and-a-half hours later, he chained the doors shut in a classroom building and began shooting at the students and faculty inside.

SAFE Port Act of 2006

October 13, 2006: Public Law 109-347: Security and Accountability for Every Port Act of 2006 is signed. Many of the SAFE PORT Act’s provisions relate to programs designed to secure the United States’ sea ports and shipping lanes.

Post-Katrina Emergency Management Reform Act of 2006

October 4, 2006: The Post-Katrina Emergency Management Reform Act of 2006 (PKEMRA) provided important provisions, including the key principle that after a major disaster or emergency declaration, accelerated Federal assistance could be sent by FEMA, in the absence of a specific request by a State, to save lives and prevent suffering. — FEMA

Coast Guard and Maritime Transportation Act of 2006

July 11, 2006: Public Law 109-241: Coast Guard and Maritime Transportation Act of 2006 addresses U.S. Coast Guard issues, shipping and navigation, hurricane response, and a number of other issues.

Hurricane Katrina

(Credit: Lt Cdr. Mark Moran, NOAA Corps)

August 25-31, 2005: Hurricane Katrina created a path of destruction across southern Florida, and caused devastation into parts of southeast Louisiana, Mississippi, and Alabama.

Intelligence Reform and Terrorism Prevention Act

December 17, 2004: This act created a Director of National Intelligence to coordinate the work of 15 federal intelligence agencies and established a National Counter Terrorism Center to analyze intelligence information – ‘connecting the dots’ so the government could take effective action to detect, prevent, and disrupt terrorist activity. — 9-11 Commission, Homeland Security, and Intelligence Reform

California Fire Siege 2003

(Senior Master Sgt. Dennis W. Goff/USAF)

October 2003: Dry weather, high winds, and resulting wildfires in Southern California burned over 3,700 homes. Over 750,000 acres burned in 14 major fires.

National Strategy to Secure Cyberspace

February 14, 2003: The George W. Bush White House released the National Strategy to Secure Cyberspace as part of an overall effort to protect the Nation and to “to engage and empower Americans to secure the portions of cyberspace that they own, operate, control, or with which they interact.”

Maritime Transportation Security Act of 2002

November 25, 2002: Public Law 107-295: Maritime Transportation Security Act of 2002 is enacted to raise port security standards and protect the nation’s ports and waterways from a terrorist attack.

Homeland Security Act of 2002

November 25, 2002: Public Law 107-296: The Homeland Security Act of 2002 established the Department of Homeland Security and set forth the primary mission of the Department.

Beltway Sniper Attacks

(Credit: FBI)

October 2002: John Allen Muhammad and Lee Boyd Malvo began a series of sniper shootings that would paralyze the National Capitol Region for almost three weeks until October 22, 2002. Thirteen people were shot, ten of whom died from their wounds.

Aviation and Transportation Security Act

November 19, 2001: President Bush signed the Aviation and Transportation Security Act into law. The Transportation Security Agency (TSA) is created to oversee security in all modes of transportation. — TSA

USA PATRIOT Act

(Credit: Eric Draper/White House)

October 26, 2001: The USA PATRIOT Act is signed into law.

“Amerithrax” Anthrax Attacks

(Credit: FBI)

September 18, 2001: “Soon after the terrorist attacks of 9/11, letters laced with anthrax began appearing in the U.S. mail. Five Americans were killed and 17 were sickened in what became the worst biological attacks in U.S. history. The ensuing investigation by the FBI and its partners — code-named ‘Amerithrax’ — has been one of the largest and most complex in the history of law enforcement.” — FBI

September 11, 2001 Attacks

(Credit: Robert J. Fisch/Flickr User)

September 11, 2001: Two passenger airliners crash into the World Trade Center Towers in New York, one would hit the Pentagon in Washington, D.C., and another crashed in a Pennsylvania countryside, but was headed for Washington, D.C.

USS Cole Bombing

(Credit: FBI)

October 12, 2000: Suicide terrorists exploded a small boat alongside the USS Cole—a Navy Destroyer—as it was refueling in the Yemeni port of Aden. The blast ripped a 40-foot-wide hole near the waterline of the Cole, killing 17 American sailors and injuring many more. — FBI

Y2K

(Credit: Matthew Hurst/Flickr user)

January 1, 2000: Widespread fear and panic centered on the turn of the century and the idea that a technological bug would leave nations scrambling to counteract damage done to technological infrastructure.

Columbine High School Massacre

April 20, 1999: Two subjects walked into Columbine High School and opened fire on both students and staff, as well as detonated explosive devices, some of which were planted in and around the school prior to entering.

US Embassy Bombings, East Africa

(Credit: USDS)

August 7, 1998: Bombs detonated in front of two American embassies; one in Nairobi, Kenya and the other in Dar es Salaam, Tanzania.

Centennial Olympic Park Bombing

July 27, 1996: During the Summer Olympic games in Atlanta, GA, Eric Rudolph planted a backpack containing a bomb in crowded Centennial Olympic Park. While many spectators were evacuated, the bomb detonated before all could leave.

“Unabomber” Theodore Kaczynski Arrested

(Credit: Jeanne Boylan/FBI)

April 3, 1996: Theodore Kaczynski is arrested. Also known as the Unabomber, Kaczynski sent primitive, untraceable, homemade explosives to a number of random targets that left the FBI puzzled for nearly two decades.

Oklahoma City Bombing

(Credit: FBI)

April 19, 1995: A bomb ripped through the Alfred P. Murrah Federal building in downtown Oklahoma City, set by Timothy McVeigh.

Midwest Flooding

On August 1st, 2013, the Mississippi River at St. Louis crested at 49.58 feet, the highest stage over recorded.

(Credit: National Weather Service)

July 2, 1993: Persistent heavy rains and thunderstorms caused severe, widespread flooding in the central U.S. This is the most costly non-tropical, inland flood event to affect the United States on record.

Waco Siege Ended

(Credit: FBI)

April 19, 1993: The 51-day Waco Seige standoff ended when the the Branch Davidian compound was engulfed by fires set by the Davidians, after the FBI used tear gas in an attempt to force the occupants to leave.

World Trade Center Bombing

(Credit: FBI)

February 26, 1993: A bomb exploded in a rented moving truck that was parked in the garage beneath the World Trade Center that resulted in a 100-foot crater that was several stories deep and several stories higher.

Hurricane Andrew

Dade Co., Florida damage. /Credit: Bob Epstein,FEMA

August 26, 1992: The Category 5 hurricane caused severe damage to Louisiana, the Bahamas, and the southern part of Florida, with the majority of damage caused by extremely high winds.

Oakland Firestorm

Ground level photo of Oakland Hills fire.

(Credit: NASA/DART)

October 19-22, 1991: The largest dollar fire loss in United States history occurred in the East Bay Hills, within the California cities of Oakland and Berkeley, in October 1991. Twenty-five lives were lost and more than 3,000 structures were destroyed.

1990 California Freeze

December 20, 1990-January 3, 1991: Fourteen days of subfreezing temperatures crippled California, particularly within the Central Valley where citrus and other crops suffered damage, and thousands of workers were left jobless.

Loma Prieta Earthquake

October 17, 1989: A magnitude 6.9 earthquake occurred northeast of Santa Cruz, CA, approximately 60 miles from San Francisco. It was the largest earthquake to occur on the San Andreas fault since the great San Francisco earthquake in April 1906.

Exxon Valdez Oil Spill

(Credit: NARA)

March 24, 1989: Oil tanker Exxon Valdez struck Bligh Reef in Prince William Sound, Alaska, spilling more than 11 million gallons of crude oil. The spill was the largest in U.S. history and caused marine life, communities, and industries to suffer.

Pan Am 103 Bombing

(Credit: FBI)

December 21, 1988: Pan Am Flight 103 departed from London’s Heathrow Airport, bound for New York City. However, just 40 minutes into the flight, the plane exploded 31,000 feet up in the skies above Lockerbie, Scotland.

Stafford Act

November 23, 1988: The Robert T. Stafford Disaster Relief and Emergency Assistance Act, was signed into law, amending the Disaster Relief Act of 1974. The Stafford Act created the system in place today by which a presidential disaster declaration of an emergency triggers financial and physical assistance through the Federal Emergency Management Agency (FEMA). — FEMA

1988 U.S. Drought/Heatwave

June-August 1988: A drought across a large portion of the U.S. resulted in very severe losses to agriculture and related industries. Combined direct and indirect deaths due to heat stress were estimated at 5,000.

TWA Flight 847 Hijacking

(Credit: Ensign Danny Ewing Jr. /U.S. Navy)

June 14, 1985: TWA Flight 847 from Cairo to San Diego with stops in Athens and Rome, was hijacked and held hostage for 17 days, while being subjected to torture and death threats.

US Embassy Annex Bombing, Beirut

(Credit: Nancy Wong)

September 20, 1984: A suicide bomber detonates a van full of approximately 3,000 pounds of explosives outside of the US Embassy Annex in Beirut, Lebanon. This was the second attack in less than two years on the US Embassy in Beirut.

Rajneeshee Bioterror Attack

September 1984: “The Rajneesh cult succeeded with the first documented bioterror incident in the United States. […] Their attack hospitalized 45, caused 751 to fall ill, and would serve as a historical benchmark of bioterrorism in the United States.”

US Embassy Bombing, Beirut

(Credit: US Army)

April 18, 1983: A suicide bomber crashes a truck into the front of the US Embassy in Beirut, Lebanon before detonating approximately 2,000 pounds of explosives.

1980 US Heat Wave

June-September 1980: Beginning in June and stretching until mid-September, the 1980 US Heat Wave was a period of intense heat and drought that plagued the central and eastern United States and caused billions in damage.

Three-Mile Island Accident

(Credit: John G. Kemeny et al/TMI President’s Commission)

March 28, 1979: The Three Mile Island Unit 2 (TMI-2) reactor, near Middletown, Pa., partially melted down and was the most serious accident in U.S. commercial nuclear power plant operating history.

Creation of FEMA

March 31, 1979: President Carter’s 1979 Executive Order 12127 merged many of separate disaster-related responsibilities into a new Federal Emergency Management Agency (FEMA).

LaGuardia Airport Bombing

December 29, 1975: The LaGuardia Airport bombing, which killed 11 and seriously injured 74, “was the deadliest attack in New York City since the Wall Street bombing of 1920, which killed 38, until the terrorist attacks on the World Trade Center in 2001.” — Wikipedia

Disaster Relief Act of 1974

May 22, 1974: President Richard Nixon signed the Disaster Relief Act of 1974, amending a 1970 version of the legislation. The act expanded the assistance the federal government could provide to individuals, states, and local communities suffering from disasters.

Hurricane Creek Mine Disaster

(Credit: Upike94/wiki user)

December 30, 1970: A blast tore through mine shafts 15 and 16 Finely Mine. Just a month earlier, the Bureau of Mine had declared the mine an imminent danger.

Dawson’s Field Hijackings

(Credit: Jordanian Press)

September 1970: Four aircraft bound for New York City and one for London, were hijacked by members of the Popular Front for the Liberation of Palestine.

Great Alaska Earthquake

(Credit: U.S. Army)

March 27, 1964: A magnitude 9.2 earthquake struck in the Prince William Sound region of Alaska. It lasted for approximately 4.5 minutes, and is the most powerful earthquake recorded in U.S. history.

Baptist Street Bombing

(Credit: FBI)

September 15, 1963: A dynamite bomb exploded in the back stairwell of the downtown Sixteenth Street Baptist Church in Birmingham, Alabama. The church was well-known as a key civil rights meeting place, so the incident was easily classified as an act of racial hatred.

National Security Agency Established

(Credit: NSA)

November 4, 1952: The NSA was established by order of President Harry Truman.

Immigration and Nationality Act

June 27, 1952: “The Immigration and Nationality Act, or INA, was created in 1952. Before the INA, a variety of statutes governed immigration law but were not organized in one location.” — U.S. Citizenship and Immigration Services

Federal Civil Defense Act of 1950

January 12, 1951: The Federal Civil Defense Act of 1950 is signed into law. Prior to this act, there was no comprehensive legislation covering disaster relief. This act established a basic framework for civil defense, with the majority of responsibility vested in the States.

Central Intelligence Agency Act of 1949

(Credit: CIA)

June 20, 1949: The Central Intelligence Agency Act of 1949 is signed. “The CIA was created under the National Security Act of 1947. […] Two years later, President Truman signed the Central Intelligence Agency Act, which authorized CIA to secretly fund intelligence operations and conduct personnel actions outside of standard US Government procedures.” — CIA

National Security Act of 1947

July 26, 1947: The National Security Act of 1947 is signed. With this act, both the Central Intelligence Agency (CIA) and National Security Council (NSC) were created. “In the aftermath of World War II, the National Security Act provided a major reorganization of the U.S. defense and intelligence agencies.” — U.S. Justice Information Sharing

Texas City Disaster

(Credit: Alfred S. Gerson/wiki user)

April 16, 1947: Docked in Texas City, TX, the S.S. Grandcamp, loaded with a cargo 2,300 tons of ammonium nitrate fertilizer, suddenly and mysteriously caught fire and then exploded. This incident was considered the largest industrial disaster of its time in the U.S.

Attack on Pearl Harbor

(Credit: Unknown U.S. Navy photographer)

December 7, 1941: Japan launches an attack on Pearl Harbor which goes down as one of the worst attacks on American soil, and catapults the nation into a world war that lasted four years.

The Dust Bowl

(Credit: George E. Marsh/NOAA)

1930s: Between the years 1930-1940, the Great Plains suffered a severe drought that only further destroyed the already over-farmed and over-grazed land. It would last for nearly a decade, but effects could be felt for years after.

Okeechobee Hurricane

(Credit: NOAA)

September 17, 1928: A category 4 hurricane tears through Lake Okeechobee area of Florida, piling the water up at the south end of the lake and topping the levee, spreading water several feet deep onto the land below.

Tulsa Race Massacre

Tulsa aftermath, 1921

May 31-June 1, 1921: Over the course of 18 hours, a white mob attacked residents and businesses in the predominantly black Greenwood neighborhood of Tulsa, Ok, resulting in the deaths of hundreds.

Wall Street Bombing, 1920

(Credit: LOC)

September 16, 1920: A man driving a cart pulled by horse, parked in front of the U.S. Assay Office across from the J. P. Morgan building in the heart of Wall Street. Minutes later, a bomb exploded, devastating the area.

Influenza Epidemic of 1918

(Credit: U.S. Army)

1918-1919: Known as the “Spanish Flu” or “La Grippe”, the Influenza Epidemic of 1918-1919 struck hard and fast, and in just one year dropped the American life expectancy by 12 years.

San Francisco Earthquake

(Credit: California Historical Society)

April 18, 1906: A magnitude of 7.9 struck San Francisco, CA. Violent shocks lasted approximately 40-60 seconds and was felt from southern Oregon to the south of Los Angeles and inland as far as Central Nevada.

Great Galveston Hurricane

(Credit: NOAA)

September 8, 1900: A category 4 hurricane strikes Galveston, TX with winds exceeding 135 miles per hour. The storm devastated the port city and to this day remains the deadliest natural disaster in United States history.

Peshtigo Fire

(Credit: Ruhrfisch/US Census)

October 8, 1871: A devastating forest fire sweeps through northeast Wisconsin and is considered to be the deadliest fire in American history.

Hayward Fault Earthquake

(Credit: U.S. Geological Survey)

October 12, 1868: A magnitude of 6.8 struck the region of San Francisco Bay. It lasted for more than 40 seconds and is considered one of the most destructive earthquakes in California’s history.

Great Fort Tejon Earthquake

(Credit: U.S. Geological Survey)

January 9, 1857: A magnitude 7.9 earthquake struck on the San Andreas Fault from near Parkfield to approximately 300 km away near Wrightwood.

New Madrid, Missouri Earthquakes

(Credit: USGS)

December 15, 1811: The 1811-1812 New Madrid Sequence consisted of three large earthquakes that spanned from December 15, 1811 to February 7, 1812, followed by hundreds of aftershocks felt throughout the next year.