Question: When did old £5 go out of circulation?
Disambiguated questions and answers: question: When did the White 1793 £5 go out of circulation?
When did the White 1945 £5 go out of circulation?
When did the Series B £5 go out of circulation?
When did the Series C £5 go out of circulation?
When did the Series D £5 go out of circulation?
When did the Series E £5 go out of circulation?
When did the Series E Variant £5 go out of circulation?
answer: March 1, 1946
March 13, 1961
June 27, 1967
August 31, 1973
November 29, 1991
November 21, 2003
May 5, 2017
Natural Questions answer: 5 May 2017 (from the Wikipedia article "Bank of England £5 note")