Fait général: 2784 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2784 is an unremarkable number.
Culture générale: 2784 is an unremarkable number.
Date historique: August 15th is the day in 1947 that Founder of Pakistan, Muhammad Ali Jinnah is sworn in as first Governor General of Pakistan in Karachi.