general_fact: 88 is the number of keys on a piano (36 black and 52 white).
math_fact: 88 is one of only 2 numbers known whose square has no isolated digits.
trivia: 88 is a standard length of playing cards in mm.
historical_date: March 28th is the day in 1969 that Greek poet and Nobel Prize laureate Giorgos Seferis makes a famous statement on the BBC World Service opposing the junta in Greece.