Timeline: Major US mass shootings in the past decade
A list of major mass shootings in the United States in recent history.

A mass shooting at a supermarket in Boulder in the US state of Colorado on Monday has left 10 people dead, including a police officer.
Police gave few immediate details of the shooting, which occurred within a week of the shooting and killing of eight people, including six Asian women, in the state of Georgia.
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Monday’s shooting unfolded at about 3pm at the King Soopers grocery store in the Table Mesa area of Boulder, a city northwest of Denver.
Below is a list of major mass shootings in the United States in recent history:
ATLANTA, March 16, 2021 – Eight people, including six women of Asian descent, were shot dead in a string of attacks at day spas in and around Atlanta, and a white man suspected of carrying out the shootings was arrested in southern Georgia.
GREENVILLE, July 5, 2020 – Ten people were shot in a Greenville, South Carolina, nightclub in an outburst of suspected gang-related violence that killed two people and critically injured two others, police said.
MILWAUKEE, February 26, 2020 – A gunman opened fire at the Molson Coors Beverage Co brewing complex in Milwaukee, killing five co-workers before he was found dead from an apparently self-inflicted gunshot wound.
ILLINOIS, February 15, 2019 – Gary Martin, 45, opened fire at an Illinois factory after receiving a notice of termination from his job there, killing five workers and wounding five policemen before he was slain by police.
EL PASO, August 3, 2019 – A man fatally shot 22 people at a Walmart store in El Paso, Texas. A statement, believed to have been written by the suspect, called the attack “a response to the Hispanic invasion of Texas”. Authorities arrested the shooter.
DAYTON, August 4, 2019 – A gunman dressed in body armour opened fire in downtown Dayton, Ohio, killing nine people, including his sister, and wounding 27 others. Police killed the shooter.
VIRGINIA BEACH, May 31, 2019 – A disgruntled public utility employee opened fire with a handgun on co-workers at a municipal building in Virginia, killing 12 people and wounding at least four before he was fatally shot by police.
THOUSAND OAKS, November 7, 2018 – A former Marine combat veteran killed 12 people in a bar in Thousand Oaks, a suburb of Los Angeles, California. He then killed himself.

TREE OF LIFE, October 27, 2018 – A gunman burst into the Tree of Life synagogue near Pittsburgh with a semi-automatic rifle and three handguns as he fired on congregants gathered for a Sabbath service, killing 11.
SANTA FE, Texas, May 18, 2018 – A 17-year-old student dressed in a trench coat and armed with a shotgun and pistol opened fire at his high school outside Houston, killing nine students and a teacher, before surrendering to officers.
PARKLAND, February 14, 2018 – A former student at Marjory Stoneman Douglas High School in Parkland, Florida, opened fire with an assault-style rifle, killing 17 students and educators.
SUTHERLAND SPRINGS, November 5, 2017 – A man thrown out of the US Air Force for beating his wife and child shot 26 people dead at a rural Texas church where his in-laws worshipped before killing himself.
LAS VEGAS, October 1, 2017 – A gunman opened fire on a country music festival from a 32nd-floor hotel suite, killing 58 people and wounding 564 others before taking his own life.
ORLANDO, June 12, 2016 – A gunman fatally shot 49 people at Pulse, a gay nightclub, before he was shot dead by police.
SAN BERNARDINO, December 2, 2015 – A husband and wife killed 14 people at a workplace holiday party in San Bernardino in Southern California before dying in a shootout with police.
ROSEBURG, October 1, 2015 – A gunman stalked onto an Oregon college campus and opened fire, killing nine people and wounding seven before police shot him dead.
CHARLESTON, June 17, 2015 – A white supremacist killed nine Black churchgoers at a church in Charleston, South Carolina. He was sentenced to death.

WASHINGTON, DC, September 16, 2013 – A former Navy reservist working as a government contractor killed 12 people at the Washington Navy Yard. He was shot dead by police.
NEWTOWN, December 14, 2012 – A heavily armed gunman killed 26 people, including 20 children from five to 10 years of age, in a rampage at Sandy Hook Elementary School in Connecticut.
AURORA, July 20, 2012 – A masked gunman killed 12 people and wounded 70 others at a cinema in Aurora, Colorado. He received multiple life sentences.
FORT HOOD, November 5, 2009 – An army major and psychiatrist opened fire at Fort Hood, a US Army base in Texas, killing 13 people.