Hecho matemático: 21418 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 21418 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: August 21st is the day in 1986 that Carbon dioxide gas erupts from volcanic Lake Nyos in Cameroon, killing up to 1,800 people within a 20-kilometer range.