Arthur Ashe became the first black person to be ranked number one in tennis.
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Pennsylvania became the second state to ratify the US constitution.
A 7.8 earthquake hit Flores Island in Indonesia, which caused an 82-foot tsunami, killing about 2,500 people.
Adolf Eichmann was found guilty of war crimes in Israel.
King Carloman II of West Francia was mortally wounded while out hunting.
Apple made its initial public offering on the US stock market.
