The deadliest shootings in US history

- A gunman opened fire on an outdoor festival on the Las Vegas strip, killing at least 58 and leaving more than 500 others wounded in the deadliest mass shooting in U.S. history.

Authorities in Las Vegas say Stephen Paddock fired from the 32nd floor of the Mandalay Bay Hotel and Casino across the street from a country music concert Sunday night. They say SWAT teams with explosives then stormed his room and found he had killed himself.

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Until now, the deadliest mass shooting happened last year at an Orlando, Florida, nightclub, where 49 were killed. Before that, the deadliest shooting in the U.S. was the 2007 attack at Virginia Tech, in which a student killed 32 people before killing himself.

Here are the deadliest shootings in U.S. history:

- Oct. 1, 2017: A gunman identified by authorities as Stephen Paddock opened fire on an outdoor music festival on the Las Vegas Strip from the 32nd floor of a hotel-casino, killing 58 people and wounding more than 500. SWAT teams with explosives then stormed his room and found he had killed himself.

- June 12, 2016: Gunman Omar Mateen opened fire at an Orlando, Florida, nightclub, killing 49 people. Mateen was later killed in a shootout with police.

- Feb. 20, 2016: Jason Dalton, 45, is accused of randomly shooting and killing six people and severely wounding two others during a series of attacks over several hours in the Kalamazoo, Michigan, area. Authorities say he paused between shootings to make money as an Uber driver. He faces murder and attempted-murder charges.

- Dec. 2, 2015: Syed Rizwan Farook, 28, and Tashfeen Malik, 27, opened fire at a social services center in San Bernardino, California, killing 14 people and wounding more than 20. They fled the scene but died hours later in a shootout with police.

- Oct. 1, 2015: A shooting at Umpqua Community College in Roseburg, Oregon, left 10 people dead and seven wounded. Shooter Christopher Harper-Mercer, 26, exchanged gunfire with police, then killed himself.

- June 17, 2015: Dylann Roof, 21, shot and killed nine African-American church members during a Bible study group inside the Emanuel African Methodist Episcopal Church in Charleston, South Carolina. Police contend the attack was racially motivated. Roof has been sentenced to death in the shootings.

- May 23, 2014: A community college student, Elliot Rodger, 22, killed six people and wounded 13 in shooting and stabbing attacks in the area near the University of California, Santa Barbara, campus. Authorities said he apparently shot himself to death after a gunbattle with deputies.

- Sept. 16, 2013: Aaron Alexis, a mentally disturbed civilian contractor, shot 12 people to death at the Washington Navy Yard before he was killed in a police shootout.

- July 26, 2013: Pedro Vargas, 42, went on a shooting rampage at his Hialeah, Florida, apartment building, gunning down six people before officers fatally shot him.

- Dec. 14, 2012: In Newtown, Connecticut, an armed 20-year-old man entered Sandy Hook Elementary School and used a semi-automatic rifle to kill 26 people, including 20 first-graders and six adult school staff members. He then killed himself.

- Sept. 27, 2012: In Minnesota's deadliest workplace rampage, Andrew Engeldinger, who had just been fired, pulled a gun and fatally shot six people, including the company's founder. He also wounded two others at Accent Signage Systems in Minneapolis before taking his own life.

- Aug. 5, 2012: In Oak Creek, Wisconsin, 40-year-old gunman Wade Michael Page killed six worshippers at a Sikh Temple before killing himself.

-July 20, 2012: James Holmes, 27, fatally shot 12 people and injured 70 in an Aurora, Colorado, movie theater. He was sentenced to life in prison without parole.

- April 2, 2012: Seven people were killed and three were wounded when a 43-year-old former student opened fire at Oikos University in Oakland, California. One Goh was charged with seven counts of murder and three counts of attempted murder, but psychiatric evaluations concluded he suffered from long-term paranoid schizophrenia and was unfit to stand trial.

- April 2007: Virginia Tech massacre: Virginia Tech student Seung-Hui Cho shoots dead 32 people in two locations of the school’s Blacksburg, Va., campus.

- April 1999: Columbine High School massacre: In April 1999 two seniors at the Colorado school, Eric Harris and Dylan Klebold, fatally shot 12 students and one teacher and wounded 21 others before killing themselves.

- October 1991: Luby’s cafeteria shooting: George “Jo Jo” Hennard, an unemployed merchant seaman, shot and killed 23 people and wounded 20 others at Luby’s Cafeteria in Killeen, Texas, on Oct. 16, 1991. Hennard killed himself about 13 minutes after the rampage.

- July 1984: San Ysidro McDonald’s massacre: On July 18, 1984, James Huberty, 41, shot and killed 21 people and injured 19 others in and around a McDonald’s restaurant in San Ysidro, Calif. Huberty was later killed by a SWAT team sniper.

- August 1966: University of Texas tower shooting: On Aug. 1, 1966, University of Texas engineering student Charles Whitman climbed to the school’s iconic clock tower and opened fire. Whitman, a former Marine who had murdered his mother and wife earlier that morning, killed 13 and wounded 43 before he was gunned down by police.

- 1921: Greenwood massacre: Racial violence in Tulsa, Okla., in 1921 left as many as 300 dead, nearly all African-Americans.

- 1941: Ludlow massacre: Members of the Colorado National Guard plus guards hired by the Colorado Fuel & Iron Co. killed 19 striking coal miners in 1914. Many of the victims were minorities and immigrants.

- 1873: Colfax massacre: On Easter Sunday of 1873, in the bloodiest racial attacks during Reconstruction, white Democrats slaughtered as many as 153 African-Americans at the Colfax, La., courthouse and later as other victims were being held prisoner.

- 1864: Fort Pillow massacre: On April 12, 1864, Confederate soldiers shot dead or bayoneted to death 277 African-American soldiers fighting for the Union in Henning, Tenn. Nearly all of the victims had surrendered and dropped their weapons when they were killed.

- 1864: Saltville massacre: Shortly after winning a battle in 1864 near Saltville, Va., Confederate troops killed between 45 and 50 wounded or captured African-American troops who had been fighting for the North.

- 1863 Lawrence massacre: Pro-confederate guerrillas in 1863 killed as many as 200 civilians and burned down a quarter of Lawrence, Kan., a pro-Union community.

- 1857: Spirit Lake massacre: In 1857 Native Americans of the Santee Sioux tribe killed 35 to 40 settlers and took four young women captive near West Okoboji, Iowa. 

- 1850: Bloody Island massacre: In 1850 federal troops killed as many as 200 Native Americans of the Pomo tribe on an island in Clear Lake, Calif. The attack was in revenge for the murder of two white settlers by members of another Native American tribe.

Information from the Associated Press and FOX News was used in this report.

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