Fait général: 5679 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5679 is the number of drawings of the complete graph K_{10} with a minimal number of crossings.
Culture générale: 5679 is an unremarkable number.
Date historique: July 19th is the day in 1947 that the Prime Minister of the shadow Burmese government, Bogyoke Aung San and 6 of his cabinet and 2 non-cabinet members are assassinated by Galon U Saw.