Yes, the oldest continuous sister-city relationships between a U.S. and Canadian city are with Flint and Hamilton, since 1957! 
 That is interesting, can you tell me anything about the government? 
 I would like to learn about Hamilton Ontario. 
 Can you tell me anything else of interest? 
 Can you tell me something else about the government?
Yes, the oldest continuous sister-city relationships between a U.S. and Canadian city are with Flint and Hamilton, since 1957!