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Mark's Almanac for November 29, 2021
It was on this date in 1775 that James Jay invented invisible ink. And it was on this date 1972 that Atari released the videogame, Pong.
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By WKSUIt was on this date in 1775 that James Jay invented invisible ink. And it was on this date 1972 that Atari released the videogame, Pong.