October 20th, 1983
Alex Nackman, musician born 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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