Fatto generale: 1239 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1239 is a value of n for which n^{8}, n^{9}, n^{10}, and n^{11} have the same digit sum.
Trivia: 1239 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 1934 that the Auto-Lite Strike culminates in the "Battle of Toledo", a five-day melée between 1,300 troops of the Ohio National Guard and 6,000 picketers.