Fatto generale: 1529 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1529 is the number of (not necessarily distinct) sets of Egyptian fractions that sum to 1 with smallest fraction 1/22.
Trivia: 1529 is an unremarkable number.
Data storica: March 8th is the day in 1999 that the Supreme Court of the United States upholds the murder convictions of Timothy McVeigh for the Oklahoma City bombing.