Fatto generale: 26263 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 26263 is an unremarkable number.
Trivia: 26263 is an uninteresting number.
Data storica: November 26th is the day in 1918 that the Podgorica Assembly votes for "union of the people", declaring assimilation into the Kingdom of Serbia.