General fact: 6711 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 6711 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 6711 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: May 16th is the day in 1953 that American journalist William N. Oatis is released after serving 22 months of a ten-year prison sentence for espionage in Czechslovakia.