Foreign leaders have addressed both Houses in Westminster Hall before.
Charles De Gaulle, the wartime leader of the free French, was the first in 1960. Since then the historic venue has played host to Nelson Mandela and Barack Obama, among others. lucabet1688
Volodymyr Zelensky was the first leader of a country at war to be given the honour - and his speech will live long in the memory of those that were there.