Conversation so far:
When did the band Iron Maiden form?
The band Iron Maiden was formed on Christmas Day, 25 December 1975 by bassist Steve Harris shortly after he left his previous group, Smiler.
Who were the members of the band Iron Maiden in the early years?
Between 1975 to 1978, Iron Maiden went through many members including Paul Day, and Dennis Wilcock. By 1978, only Steve Harris, Dave Murray, and Doug Sampson remained in the band.

Question: When did they record their first album?
Self-contained rewrite: When did the band Iron Maiden record their first album?