Nine of Swords
Philosopher Socrates born in Athens.
King George III of the United Kingdom born Norfolk House, St James's Square, London.
The Montgolfier brothers publicly demonstrated their montgolfière (hot air balloon).
As a first public demonstration, they sent up at Annonay a 900 m linen bag inflated with hot air.
Its flight covered 2 km, lasted 10 minutes, and had an estimated altitude of 1600 - 2000 m.
An express train called the Transcontinental Express arrives in San Francisco, California from New York City via the First Transcontinental Railroad.
It took 83 hours and 39 minutes to complete.
Actress Rosalind Russell (His Girl Friday) born in Waterbury, Connecticut.
The evacuation of Dunkirk and St Valéry ended.
With the allies evacuating 338,226 British and French troops who were cornered by Hitlers armies.
More than 1,200 British vessels, including pleasure craft, were involved.
Zoot Suit riots begin Los Angeles.
During Ten Cent Beer Night, drunken Cleveland Indians fans start a riot, causing the game to be forfeited to the Texas Rangers.
The Chinese military take control of Tiananmen Square following student-led demonstrations that had been going on since April 15th.