Fatto matematico: 8258 is the number of different positions in Connect Four after 6 moves.
Trivia: 8258 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: August 10th is the day in 1270 that Yekuno Amlak takes the imperial throne of Ethiopia, restoring the Solomonic dynasty to power after a 100-year Zagwe interregnum.