deaths
Enrico D'Ovidio, Italian mathematician (born 1842)
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Enrico D'Ovidio
Italian mathematician (1842–1933)
Enrico D'Ovidio (1842–1933) was an Italian mathematician who is known by his works on geometry.Source: Wikipedia (CC BY-SA)
March 21
Day of the year
March 21 is the 80th day of the year in the Gregorian calendar; 285 days remain until the end of the year.Source: Wikipedia (CC BY-SA)