Fatto matematico: 20843 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 20843 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: January 23rd is the day in 1855 that the first bridge over the Mississippi River opens in what is now Minneapolis, Minnesota, a crossing made today by the Father Louis Hennepin Bridge.