Fatto matematico: 1473 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 1473 is a boring number.
Data storica: January 12th is the day in 2006 that a stampede during the Stoning of the Devil ritual on the last day at the Hajj in Mina, Saudi Arabia, kills at least 362 Muslim pilgrims.