General fact: 56 is the number of consecutive games in baseball in which New York Yankees' Joe DiMaggio had a base hit in 1941, still a record.
Mathematical fact: 56 is the number of reduced 5×5 Latin squares.
Trivia: 56 is the number of layers of the Universe according to Aristotle (Earth plus 55 crystalline spheres above it).
Historical date: February 25th is the day in 1919 that Oregon places a 1 cent per U.S. gallon tax on gasoline, becoming the first U.S. state to levy a gasoline tax.