• 1492 - Christopher Columbus set sail from Palos de la Frontera, Spain.
• 1492 - The Jews were expelled from Spain by the Catholic Monarchs.
• 1914 - World War I: Germany declared war against France.
• 1960 - Niger gained independence from France.
• 1972 - The U.S. Senate ratified the Anti-Ballistic Missile Treaty.

More selected anniversaries...