General fact: 4075 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 4075 is an uninteresting number.
Trivia: 4075 is an uninteresting number.
Historical date: February 26th is the day in 1935 that Adolf Hitler orders the Luftwaffe to be re-formed, violating the provisions of the Treaty of Versailles.