New York became the 11th state to join the United States of America.
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The Summer Olympic Games opening ceremony was held outdoors for the first time ever.
Platform diver Tom Daley won his first Olympic gold medal in men's synchronized diving, 13 years after his first Olympic games.
Asiana Airlines Flight 733 crashed in South Korea.
Niger President Mohamed Bazoum was removed from office by a military coup.
The opera 'Parsifal' by Richard Wagner premiered in Bayreuth, Germany.
