Fatto generale: 2565 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2565 is an unremarkable number.
Trivia: 2565 is an unremarkable number.
Data storica: January 8th is the day in 1838 that Alfred Vail demonstrates a telegraph system using dots and dashes (this is the forerunner of Morse code).