1453: Turkish forces under Sultan Mehmed II begin the siege of Constantinople (İstanbul), which falls May 29

1513: Explorer Juan Ponce de León claims Florida for Spain as the first known European to reach Florida

1792: The Coinage Act is passed establishing the United States Mint and authorizing the $10 Eagle, $5 half-Eagle & 2.50 quarter-Eagle gold coins & silver dollar, ½ dollar, quarter, dime & half-dime

1801: Napoleonic Wars: The British led by Horatio Nelson destroy the Danish fleet in the naval Battle of Copenhagen

1917: US President Woodrow Wilson asks Congress to declare war against Germany

1930: Ras Tafari Makonnen becomes Emperor Haile Selassie of Abyssinia (Ethiopia)

1982: Several thousand Argentine troops seize the Falkland (Malvinas) Islands from Great Britain

2020: Record 6.6 million Americans filed claims for unemployment in last week according to the US Department of Labor, 10 million over 2 weeks

Source: Onthisday.com