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TIL that a Lake Megachad existed during the African Humid Period

https://en.wikipedia.org/wiki/African_humid_period#Lakes_and_rivers_of_the_Sahara
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1xfjqx0/til_that_a_lake_megachad_existed_during_the/