Pope Benedict XVI elected – first German Pope for about 1,000 years
The compound of the Branch Davidian religious cult in Waco, Texas was destroyed by fire after federal agents attacked the buildings with.
The gun turret of the USS Iowa exploded, killing 47 American sailors
The United States went off the gold standard .
The first gasoline powered car was driven in the USA. Designed and driven by Charles Duryea it was refined and in 1893 was driven on the streets of Sprinfield Massachusetts.
first action in American War of Independence (1775–1783)
Captain Cook discovers the East coast of Australia, his log recorded 19th April but correcting for the international date line the calender date is the 20th.
Sir Francis Drake sinks the Spanish fleet in Cadiz harbour, one of the most audacious acts of piracy ever undertaken.