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 a boring number.
Data storica: March 8th is the day in 1722 that the Safavid Empire of Iran is defeated by an army from Afghanistan at The Battle of Gulnabad, pushing Iran into anarchy.