Let's make a list of PODs in Canadian History. This may be in the post-1900 forum, but PODs before 1900 are fine. Off the top of my head I can think of...
France wins the Seven Years War
Canada joins the American Revolution
America (clearly) wins the War of 1812
Sir John A. Macdonald never comes from Scotland to Canada
Quebec becomes Independant, (at one point of another...)
Please Continue...