Fait général: 1453 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1453 is a member of the Fibonacci-type sequence starting with 2 and 5.
Culture générale: 1453 is a boring number.
Date historique: December 23rd is the day in 1970 that the North Tower of the World Trade Center in Manhattan, New York City is topped out at 1,368 feet (417 m), making it the tallest building in the world.