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...

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...

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...

1954: Puerto Rican Nationalists Launch Assault on U.S. Congress

On March 1, 1954, Puerto Rican nationalists opened fire on the House of Representatives, injuring five congressmen. Nationalists Attack Congress Three members of the Puerto Rico...

1868: President Andrew Johnson Impeached

On February 24, 1868, Andrew Johnson became the first U.S. president to be impeached; the Senate subsequently acquitted him by a single vote. House Impeaches...