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Today in History: Tragic Mass Shooting Claims 49 Lives at Pulse

6/12/2025

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Summary

Story summary

On June 12, 2016, Omar Mateen carried out a mass shooting at Pulse, a gay nightclub in Orlando, Florida, killing 49 people and injuring 53 others. This attack marked the deadliest terrorist incident on U.S. soil since September 11, 2001, and remains the second-deadliest mass shooting by a single gunman in American history.

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Story summary

On June 12, 2016, Omar Mateen carried out a mass shooting at Pulse, a gay nightclub in Orlando, Florida, killing 49 people and injuring 53 others. This attack marked the deadliest terrorist incident on U.S. soil since September 11, 2001, and remains the second-deadliest mass shooting by a single gunman in American history.