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50th anniversary: An American Vela satellite detected an unidentified flash of light near the...

Sat, September 22, 2029

in 3 yr

Source

In 1979, An American Vela satellite detected an unidentified flash of light near the Prince Edward Islands in the Indian Ocean, thought to be a nuclear weapons test.

Also on Sep 22, 2029

Source, method and history
Source
Wikipedia
How we know
Wikipedia "On this day" selected anniversary, 50 years (1979 to 2029).
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  • 2026-09-25: added to 2029-09-22