General fact: 699 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 699 is a value of n for which |cos(n)| is smaller than any previous integer.
Trivia: 699 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: November 29th is the day in 1394 that the Korean king Yi Seong-gye, founder of the Joseon Dynasty, moves the capital from Kaesŏng to Hanyang, today known as Seoul.