1598 - King Henry IV of France signed the Edict of Nantes which granted political rights to French Protestant Huguenots.
1759 - The French defeated the European allies in Battle of Bergen.
1796 - The first known elephant to arrive in the United States from Bengal, India.
1829 - The English Parliament granted freedom of religion to Catholics.
1849 - The Hungarian Republic was proclaimed.
1933 - The first flight over Mount Everest was completed by Lord Clydesdale.
1941 - German troops captured Belgrade, Yugoslavia.
1945 - Vienna fell to Soviet troops.
1959 - A Vatican edict prohibited Roman Catholics from voting for Communists.
1960 - The first navigational satellite was launched into Earth's orbit.
1970 - An oxygen tank exploded on Apollo 13, preventing a planned moon landing.
1990 - The Soviet Union accepted responsibility for the World War II murders of thousands of imprisoned Polish officers in the Katyn Forest. The Soviets had previously blamed the massacre on the Nazis.