Fatto matematico: 6811 is not the sum of a square, a cube, a 4^{th} power, and a 5^{th} power.
Trivia: 6811 is an uninteresting number.
Data storica: August 24th is the day in 1898 that Count Muravyov, Foreign Minister of Russia presents a rescript that convoked the First Hague Peace Conference.