General fact: 1997 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 1997 is a prime factor of 87654321.
Trivia: 1997 is an uninteresting number.
Historical date: June 19th is the day in 1990 that the current international law defending indigenous peoples, Indigenous and Tribal Peoples Convention, 1989, is ratified for the first time by Norway.