Fait mathématique: 1215 is the smallest number n where n and n+1 are both products of 6 or more primes.
Culture générale: 1215 is an unremarkable number.
Date historique: April 29th is the day in 1953 that the first U.S. experimental 3D-TV broadcast showed an episode of Space Patrol on Los Angeles ABC affiliate KECA-TV.