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April
18

April 18 has been shaken by earthquakes, illuminated by daring raids, and marked by political courage.

On This Day in History

1506
Religion

Construction of St. Peter's Basilica Begins

Pope Julius II laid the foundation stone for the new St. Peter's Basilica in Rome. The massive church took over 100 years to complete and remains one of the world's largest.

1775
Politics

Paul Revere's Midnight Ride

Paul Revere rode from Boston to Lexington to warn colonial leaders that British soldiers were approaching. His ride, immortalized by Longfellow's poem, helped alert the colonial militia.

Historical image showing the aftermath of San Francisco Earthquake in 1906
San Francisco Earthquake, 1906. Photo: Wikimedia Commons / Public Domain
1906
Disaster

San Francisco Earthquake

A massive earthquake estimated at magnitude 7.9 struck San Francisco, followed by devastating fires. The disaster killed over 3,000 people and destroyed 80% of the city.

Historical image during Doolittle Raid on Tokyo in 1942
Doolittle Raid on Tokyo, 1942. Photo: Wikimedia Commons / Public Domain
1942
War & Conflict

Doolittle Raid on Tokyo

Sixteen B-25 bombers launched from the aircraft carrier USS Hornet to bomb Tokyo and other Japanese cities. The daring raid, led by Lieutenant Colonel Jimmy Doolittle, boosted American morale after Pearl Harbor.

1946
Politics

League of Nations Dissolves

The League of Nations officially dissolved, transferring its assets and responsibilities to the United Nations. The League had failed to prevent World War II.

1955
Science

Albert Einstein Dies

Albert Einstein died in Princeton, New Jersey, at age 76. The physicist who revolutionized our understanding of space, time, and energy had refused surgery for an abdominal aneurysm.

Historical image during U.S. Embassy in Beirut Bombed in 1983
U.S. Embassy in Beirut Bombed, 1983. Photo: Wikimedia Commons / Public Domain
1983
War & Conflict

U.S. Embassy in Beirut Bombed

A suicide bomber drove a truck loaded with explosives into the U.S. Embassy in Beirut, Lebanon, killing 63 people. The attack was one of the deadliest against a U.S. diplomatic mission.

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