October 9
1003 – Leif Erikson lands in L'Anse aux Meadows, Canada, becoming the first known European to reach North America.
1604 – Supernova 1604, the most recent supernova to be observed in the Milky Way.
1888 – The Washington Monument officially opens to the general public.
1936 – Generators at Boulder Dam (later renamed to Hoover Dam) begin to generate electricity from the Colorado River and transmit it 266 miles to Los Angeles, California.
1963 – In northeast Italy, over 2,000 people are killed when a large landslide behind the Vajont Dam causes a giant wave of water to overtop it.
1989 – An official news agency in the Soviet Union reports the landing of a UFO in Voronezh.
1992 – A 13 kilogram (est.) fragment of the Peekskill meteorite lands in the driveway of the Knapp residence in Peekskill, New York, destroying the family's 1980 Chevrolet Malibu
1999 – The last flight of the SR-71.
2001 – Second mailing of anthrax letters from Trenton, New Jersey in the 2001 anthrax attack.
2006 – North Korea allegedly tests its first nuclear device.
Born 1948 – Jackson Browne, American musician
Born 1941 – Trent Lott, American politician
Born 1940 – John Lennon, British musician and songwriter (The Beatles) (d. 1980)
H O L I D A Y:
Leif Erikson Day – in United States, Iceland and Norway: celebrating the first European landing in North America