1415 - Henry the Navigator, the prince of Portugal, embarked on an expedition to Africa.
1777 - The Marquis de Lafayette arrived in the American colonies to help with their rebellion against the British.
1825 - Walter Hunt patented the safety pin. Hunt then then sold the rights for $400.
1886 - King Ludwig II of Bavaria drowned in Lake Starnberg.
1900 - China's Boxer Rebellion against foreigners and Chinese Christians erupted into violence.
1923 - The French set a trade barrier between the occupied Ruhr and the rest of Germany.
1940 - Paris was evacuated before the German advance on the city.
1944 - Germany launched 10 of its new V1 rockets against Britain from a position near the Channel coast.
1995 - France announced that they would conduct eight more nuclear tests in the South Pacific.
2000 - In Pyongyang, North Korea's leader Kim Jong Il welcomed South Korea's President Kim Dae for a three-day summit. It was the first such meeting between the leaders of North and South Korea.