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The original was posted on /r/todayilearned by /u/ralphbernardo on 2025-02-01 18:34:50+00:00.

Original Title: TIL about Black Sunday, April 14, 1935, when a massive dust storm hundreds of miles wide and thousands of feet high tore through Oklahoma and Texas. Temperatures dropped 30+ degrees in 2 hours as the storm turned day into night, plunging the Southern Plains into total darkness.