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 Mortarboard Earned at least 200 reputation in a single day.

This badge has been awarded 8 times. Recently awarded to:
Ho-Sheng Hsiao 1,551210
Sardathrion 3,641922
slugster♦ 3,3201724
Swift 1,277517
stslavik 5,8941351
Patricia 1,734213
Nick 1,059513
David H. Clements♦ 4,0701927