Conversation so far:
When was Dame Edna Everage invented?
1955
How was the character Dame Edna Everage received by the public?
The character's overseas debut, now as Edna Everage, was in the early 1960s at comedian Peter Cook's nightclub, The Establishment, in London's West End, where she received a poor review.

Question: What other appearances did Dame Edna made?
Self-contained rewrite: What other appearances did Dame Edna Everage made besides The Establishment in the early 1960s?