1877 - Thomas Edison announces his invention of the phonograph, a machine that can record sound (this is considered to be Edison's first great invention).
1941 - The radio program King Biscuit Time is broadcast for the first time (it would later become the longest running daily radio broadcast in history and the most famous live blues radio program).
1942 - The completion of the Alaska Highway (also known as the Alcan Highway) is celebrated (the highway was not usable by general vehicles until 1943, however).
1967 - Vietnam War: American General William Westmoreland tells news reporters: "I am absolutely certain that whereas in 1965 the enemy was winning, today he is certainly losing."
1969 - US President Richard Nixon and Japanese Premier Eisaku Sato agree in Washington, DC on the return of Okinawa to Japanese control in 1972. Under terms of the agreement, the US is to retain its rights to bases on the island, but these are to be nuclear-free.
1970 - Vietnam War: Operation Ivory Coast - A joint Air Force and Army team raids the Son Tay prison camp in an attempt to free American POWs thought to be held there (there were zero Americans killed, but the prisoners had already moved to another camp; All US POWs were moved to a handful of central prison complexes as a result of this raid).
1986 - Iran-Contra Affair: National Security Council member Oliver North and his secretary start to shred documents implicating them in the sale of weapons to Iran and channeling the proceeds to help fund the Contras rebels in Nicaragua.
2004 - The second round of the Ukrainian presidential election is held, unleashing massive protests and controversy with regards to the election's integrity.
Births
1694 - François-Marie Arouet (later known as Voltaire), French philosopher (d. 1778)