math_fact: 634 is a number n whose 5^{th} root has a decimal part that begins with the digits of n.
trivia: 634 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: September 25th is the day in 2010 that Mahmoud Abbas speaks at United Nations General Assembly to request that Israel end its policy of building settlements in the West Bank.