451 - For the tenth time there was a passing of Halley's comet in perihel.
1441 - Henry VI goes to college Eaton.
1497 - John Cabot enters the North American soil at Newfoundland, Canada - the first European discovery of the region after the Vikings.
1664 - The New Jersey Colony was founded.
1692 - The city of Kingston, Jamaica was founded.
1778 - David Rittenhouse observes the full eclipse of the Sun in Philadelphia.
1794 - The first coffee plantations in Hawaii.
1930 - First use of aircraft detection radar, Anacostia DC, Washington.
1938 - A 500 kilogram of meteorite falls in Pittsburgh, Pennsylvania.
1947 - The first known case of a UFO encounter. Kenneth Arnold, flying over Washington, has nine light-colored disks in the form of bowls.
