Fatto matematico: 5314 is a value of n for which |cos(n)| is smaller than any previous integer.
Trivia: 5314 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: July 19th is the day in 1961 that Tunisia imposes a blockade on the French naval base at Bizerte; the French would capture the entire town four days later.