I can personally vouch that insulin was invented in Canada. Did a Biology class report on it last year. I guess anyone could just look that up in the encyclopedia, but .... I said so.
If you want to make this into a national pissing contest, we can start with the telephone, television, and airplane, and when you're done matching those we'll move on to nuclear weapons, faulty martian landers, and, oh yes, THE INTERNET.