Srbosjek
It is said that in the Jasenovac concentration camp competitions in speedy slaughter were organized by the Ustashas. The winner of one such competition, Petar Brzica slit the throats of 1,300 (or 1360 ) prisoners. However, since recently it is regarded as something that was made up by the Yugoslav communists as there doesn't seem to be any solid evidence of it. It is also mentioned that even if it were true, the number is greatly exaggerated as one would have to kill non stop for 10 hours one person every 45 seconds.