general_fact: 898 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 898 is a member of the Fibonacci-type sequence starting with 2 and 5.
trivia: 898 is an unremarkable number.
historical_date: June 16th is the day in 2000 that Israel complies with UN Security Council Resolution 425 after 22 years of it issuance, which calls on Israel to completely withdraw from Lebanon.