New York became the 11th state to join the United States of America.
Source
President Harry Truman signed the National Security Act.
Italian adventurer and author Giacomo Casanova was arrested in Venice for his offensive remarks on religion.
Niger President Mohamed Bazoum was removed from office by a military coup.
The Summer Olympic Games opening ceremony was held outdoors for the first time ever.
As part of the War of the Roses in England, the Battle of Edgcote took place.
