Fatto generale: 450 is a perfect score in Canadian five-pin bowling.
Fatto matematico: 450 is the number of 13-iamonds with holes.
Trivia: 450 is a perfect score in Canadian five-pin bowling.
Data storica: March 25th is the day in 1894 that Coxey's Army, the first significant American protest march, departs Massillon, Ohio for Washington D.C.