Fait mathématique: 7954 is the smallest value of n for which 5^{n} + n is prime.
Culture générale: 7954 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: October 10th is the day in 1911 that the Wuchang Uprising leads to the demise of Qing Dynasty, the last Imperial court in China, and the founding of the Republic of China.