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April
16

April 16 has brought revolutionary battles, scientific achievements, and cultural milestones across the ages.

On This Day in History

73
Ancient

Fall of Masada

The Roman siege of Masada ended when legionaries breached the fortress walls. According to Josephus, the 960 Jewish defenders chose mass suicide rather than Roman enslavement.

1746
War & Conflict

Battle of Culloden

British government forces decisively defeated the Jacobite army at Culloden in Scotland. The battle ended the Jacobite rising and the Stuart claim to the British throne.

1789
Politics

George Washington Leaves Mount Vernon for Inauguration

President-elect Washington departed his Mount Vernon estate for New York City and his inauguration. His journey became a triumphant procession with celebrations at every stop.

Historical image during Slavery Abolished in Washington, D.C. in 1862
Slavery Abolished in Washington, D.C., 1862. Illustration: AI-generated
1862
Civil Rights

Slavery Abolished in Washington, D.C.

President Lincoln signed the District of Columbia Compensated Emancipation Act, freeing approximately 3,100 enslaved people in the capital. Slaveholders received up to $300 per person.

Historical image depicting Albert Hofmann Accidentally Discovers LSD Effects in 1943
Albert Hofmann Accidentally Discovers LSD Effects, 1943. Illustration: AI-generated
1943
Science

Albert Hofmann Accidentally Discovers LSD Effects

Swiss chemist Albert Hofmann accidentally absorbed LSD through his skin and experienced its hallucinogenic effects. Three days later, he deliberately took a dose in the first intentional LSD trip.

2007
Crime

Virginia Tech Shooting

A gunman killed 32 people and wounded 17 others on the Virginia Tech campus in Blacksburg. It was the deadliest mass shooting in modern U.S. history at the time.

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