Conversation so far:
when has the war measures act been used in canada
The War Measures Act was brought into force three times in Canadian history.
When was the first time the war measures act was used
The War Measures Act was first used during the First World War
When was the second time the war measures act was used
The War Measures Act was used a second time during the Second World War

Question: When was the third time
Self-contained rewrite: When was the third time the war measures act was used