Fait mathématique: 1007 is the maximum value of n so that there exist 8 denominations of stamps so that every postage from 1 to n can be paid for with at most 6 stamps.
Culture générale: 1007 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: October 3rd is the day in 1739 that the Treaty of Nissa is signed by the Ottoman Empire and Russia at the finish of the Russian-Turkish War, 1736–1739.