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

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.

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

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.