October 20th, 1983
Yves Theriault, French Canadian author (born in 1915) dies on October 20, 1983. Read about how to open files in Open File Database.
Events around October 20, 1983
October 21st, 1983 | Event | The metre is defined at the seventeenth General Conference on Weights and Measures in terms of the speed of light as the distance light travels in a vacuum in 1/299,792,458 of a second. |
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