Louis XVI of France declared war on Great Britain during the American Revolution.
Source
Wyoming became the 44th state to join the United States of America.
Aviator Howard Hughes started his around-the-world flight.
Lady Jane Grey began her 9-day reign as the Queen of England, France, and Ireland.
Erden Eruç began the world's first successful solo human-powered circumnavigation of the world.
NASA launched Telstar 1, the world's first active communications satellite.
