General fact: 7351 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 7351 is a value of n for which n, 2n, 3n, and 4n all use the same number of digits in Roman numerals.
Trivia: 7351 is a boring number.
Historical date: February 15th is the day in 1991 that the Visegrád Agreement, establishing cooperation to move toward free-market systems, is signed by the leaders of Czechoslovakia, Hungary and Poland.