1500 (number)

1500 was a number.
The war between the Strykes and the Marat on Agrovan Seven had been going on for fifteen hundred years when the Seventh Doctor and Ace arrived. (COMIC: The Forgotten)
According to the Twelfth Doctor, fifteen hundred years of "rock'n'roll" passed between his first and fourteenth regenerations. (TV: Twice Upon a Time)
N 1500