Fatto matematico: 874 is the number of positive integer solutions to (1 + 1/a)(1 + 1/b)(1 + 1/c)(1 + 1/d)(1 + 1/e) = 2.
Trivia: 874 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: May 23rd is the day in 1949 that the Federal Republic of Germany is established and the Basic Law for the Federal Republic of Germany is proclaimed.