The 10 Deadliest Mass Shootings In U.S. History

Published October 2, 2017

Inside America's devastating, decades-long propensity for gun violence on a massive scale.

On October 1, 2017, a lone gunman stood at a 32nd-floor window of the Mandalay Bay Resort and Casino in Las Vegas and unleashed a barrage of automatic gunfire onto concertgoers at the Route 91 Harvest Festival. Ultimately, more than 50 people died while another 500 lay wounded.

And while this stands as the highest death toll for any shooting ever carried out within the U.S., it was far from the only tragic event of its kind. Above are the 10 deadliest mass shootings in American history.


Next, take a look at the most powerful images of the Las vegas shooting. Then read about how mass shootings lead to more guns sales.

author
All That's Interesting
author
Established in 2010, All That's Interesting brings together a dedicated staff of digital publishing veterans and subject-level experts in history, true crime, and science. From the lesser-known byways of human history to the uncharted corners of the world, we seek out stories that bring our past, present, and future to life. Privately-owned since its founding, All That's Interesting maintains a commitment to unbiased reporting while taking great care in fact-checking and research to ensure that we meet the highest standards of accuracy.
editor
John Kuroski
editor
Based in Brooklyn, New York, John Kuroski is the editorial director of All That's Interesting. He graduated from New York University with a degree in history, earning a place in the Phi Alpha Theta honor society for history students. An editor at All That's Interesting since 2015, his areas of expertise include modern American history and the ancient Near East. In an editing career spanning 17 years, he previously served as managing editor of Elmore Magazine in New York City for seven years.