- 1772 Captain James Cook begins 2nd voyage aboard the Resolution to the South Seas to search for Terra Australis (Southern continent)
- 1832 Source of Mississippi River discovered by American geographer Henry Schoolcraft
- 1930 1st-ever football (soccer) World Cup competition begins in Uruguay
- 1943 Greatest tank battle in history ends with Russia's defeat of Germany at Kursk, almost 6,000 tanks take part, 2,900 lost by Germany
- 1985 "Live Aid" concerts held at both Wembley Stadium (London) and John F. Kennedy Stadium (Philadelphia) raises over $70 million for African famine relief
The Hollywood Sign is officially dedicated in the hills above Hollywood, Los Angeles. It originally reads "Hollywoodland " but the four last letters are dropped after renovation in 1949.
On July 13, 1923