General fact: 5200 is the number of standard size of a legion in the Roman Empire.
Mathematical fact: 5200 is divisible by its reverse.
Trivia: 5200 is the number of standard size of a legion in the Roman Empire.
Historical date: March 27th is the day in 1329 that Pope John XXII issues his In Agro Dominico condemning some writings of Meister Eckhart as heretical.