1983: Reagan Delivers “Star Wars” Speech

On March 23, 1983, President Ronald Reagan proposed the development of the Strategic Defense Initiative (SDI), a space and ground-based defense system to intercept...

1993: Feds Raid Branch Davidian Compound in Waco

On February 28, 1993, federal agents tried to arrest David Koresh at his Waco, Texas, compound. A gunfight ensued, killing 10 and beginning a...

1977: 583 Killed as 747s Collide on Tenerife Runway

On March 27, 1977, two 747 airliners collided on a runway in the Canary Island of Tenerife, killing 583 people, more than any plane...

On This Day: United States Drops Atomic Bomb on Hiroshima

On Aug. 6, 1945, U.S. war plane Enola Gay dropped “Little Boy,” a 8,900-pound atomic bomb, on Hiroshima, Japan. Within eight days, Japan surrendered,...

1962: Cuban Missile Crisis Begins

On Oct. 14, 1962, a United States spy plane spotted missile bases under construction in Cuba, touching off the two-week Cuban Missile Crisis. Two Weeks...

1839: Dueling Outlawed in DC

On February 20, 1839, Congress passed legislation barring the practice of dueling in the District of Columbia. Fatal Duel Between Congressmen Prompts Ban The passage of...

1773: American Patriots Carry Out Boston Tea Party

On Dec. 16, 1773, members of the Sons of Liberty boarded British ships in Boston Harbor and destroyed their cargo of tea, taking another...

1857: Supreme Court Rules Against Dred Scott

On March 6, 1857, the Supreme Court ruled against Dred Scott, a slave who sued for freedom after spending time in free territory. The...

1937: Gas Leak Causes New London School Explosion

On March 18, 1937, the worst school disaster in American history occurred when a gas explosion killed nearly 300 schoolchildren in Texas. Gas Explosion Destroys...

1949: “Axis Sally” Convicted of Treason

On March 10, 1949, a jury found American-born Nazi propagandist Mildred E. Gillars, the radio broadcaster known as “Axis Sally,” guilty of treason. “Axis Sally”...