Fait général: 7211 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 7211 is an uninteresting number.
Culture générale: 7211 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: September 28th is the day in 1951 that CBS makes the first color televisions available for sale to the general public, but the product is discontinued less than a month later.