General fact: 4665 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 4665 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 4665 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: October 8th is the day in 1956 that New York Yankees's Don Larsen pitched the only perfect game in a World Series; one of only 20 perfect games in MLB history.