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John Venn Death Anniversary
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Events on 4 April
John Venn
Death Anniversary
John Venn died on 4 April, 1923
English mathematician, logician and philosopher famous for creating the Venn diagram.
Today's Events:
28 April
Agar.io game released
Siri acquired by Apple
iTunes store launched
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Dick Ayers Birthday
Paul Norris Birthday
Lee Falk Birthday
Kurt Gödel Birthday
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John C. Reynolds Death Anniversary
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