Asiana Airlines Flight 733 crashed in South Korea.
Sixty-eight lives were lost, and there were a total of 48 survivors.
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Niger President Mohamed Bazoum was removed from office by a military coup.
The US Postal Service was founded.
New York became the 11th state to join the United States of America.
Albert Einstein's theory of gravitational redshift was proven after a telescope in Chile observed a black hole.
The Summer Olympic Games opening ceremony was held outdoors for the first time ever.