general_fact: 877 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 877 is the 7^{th} Bell number.
trivia: 877 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: May 26th is the day in 1830 that the Indian Removal Act is passed by the U.S. Congress; it is signed into law by President Andrew Jackson two days later.