German WW2 prisoners of war were treated so well in Canadian prisons that many didn’t want to leave the country when released. Thousands of PoW’s stayed in Canada or came back years later. – WTF Fun Facts
Source: https://legionmagazine.com/en/2012/03/the-happiest-prisoners/
WTF Fun Fact – Friendly Canadian WW2 Prisons

Very informative and interesting!