What's kind of slipped under the radar is they only did 10 gigs for 2001 and 2002 combined.
They only existed in 1975 as a subject of conversation between Ron Matthews and Steve Harris as far as I know.I know this can be seen as somewhat obstinate, but I decided to add the year 1975.
Even though Maiden only existed one week in 1975:
A: they existed in 1975
B: they did not perform in 1975