math_fact: 6902 is the number of Hamiltonian paths of a 3×10 rectangle graph.
trivia: 6902 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: November 23rd is the day in 1934 that an Anglo-Ethiopian boundary commission in the Ogaden discovers an Italian garrison at Walwal, well within Ethiopian territory.