1453 - Constantinople fell to Ottoman Sultan Mehmed II, ending the Byzantine Empire.
1660 - Charles II was restored to the English throne after the Puritan Commonwealth.
1922 - Ecuador became independent.
1953 - Edmund Hillary and Sherpa Tenzing Norgay became first men to reach the top of Mount Everest.
1990 - Boris Yeltsin was elected president of the Russian republic by the Russian parliament.
1999 - Space shuttle Discovery completed the first docking with the International Space Station.