You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when was the last time canada was at war?" whose answer is September 2014.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the last time canada was at war
Useful Output:

Doc 1: Wars and conflicts ; Service in Canada ; CAF Operations ; Canada and international peacekeeping ; Afghanistan. 2001 – 2014 ; Gulf War. 1990 – 1991
Doc 2: On September 9, 1939, eight days after Germany's invasion of Poland, Canada's Parliament voted to declare war on Germany, which the country did the next day. (
Doc 3: The end of the Second World War in 1945 — first in Europe on VE day, May 8, and then finally in Japan on August 15 — was a time of relief and
Doc 4: Canada officially entered the Second World War on September 10, 1939, and continued at war for nearly six years.
Doc 5: The former Bank of England boss, Mark Carney, has won Canada's election to become the country's next prime minister.