WHAT HAPPENED ON 21. OCTOBER
Want to find out what all happened on 21. October

Fred Dryer of the then Los Angeles Rams becomes the first player in NFL history to score two safeties in the same game. (21. October 1973)

The European Patent Institute is founded. (21. October 1977)

Australian civilian pilot Frederick Valentich vanishes in a Cessna 182 over the Bass Strait south of Melbourne, after reporting contact with an unidentified aircraft. (21. October 1978)

Moshe Dayan resigns from the Israeli government because of strong disagreements with Prime Minister Menachem Begin over policy towards the Arabs. (21. October 1979)

The metre is defined at the seventeenth General Conference on Weights and Measures as the distance light travels in a vacuum in 1/299,792,458 of a second. (21. October 1983)

In Lebanon, pro-Irankidnappers claim to have abducted American writer Edward Tracy (he is released in August 1991). (21. October 1986)

Jaffna hospital massacre is carried out by Indian Peace Keeping Force in Sri Lanka killing 70 ethnic Tamil patients, doctors and nurses. (21. October 1987)

North Korea nuclear weapons program: North Korea and the United States sign an agreement that requires North Korea to stop its nuclear weapons program and agree to inspections. (21. October 1994)

In Seoul, 32 people are killed when the Seongsu Bridge collapses. (21. October 1994)

Images of the dwarf planet Eris are taken and subsequently used in documenting its discovery by the team of Michael E. Brown, Chad Trujillo, and David L. Rabinowitz. (21. October 2005)

A shooting at a spa in Brookfield, Wisconsin, leaves four people dead, including the shooter. (21. October 2012)

Record smog closes schools, roadways, and the airport in Harbin, China. (21. October 2013)