Fatto generale: 8518 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 8518 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 8518 is an unremarkable number.
Data storica: April 27th is the day in 1961 that Sierra Leone is granted its independence from the United Kingdom, with Milton Margai as the first Prime Minister.