General fact: 788 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 788 is the smallest of 6 consecutive numbers divisible by 6 consecutive primes.
Trivia: 788 is an uninteresting number.
Historical date: February 26th is the day in 1909 that Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.