Fatto generale: 1493 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1493 is the largest known Stern prime.
Trivia: 1493 is an unremarkable number.
Data storica: February 1st is the day in 1968 that Canada's three military services, the Royal Canadian Navy, the Canadian Army and the Royal Canadian Air Force, are unified into the Canadian Forces.