Fatto generale: 19980 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 19980 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 19980 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: September 13th is the day in 2007 that the Declaration on the Rights of Indigenous Peoples is adopted by the United Nations General Assembly.