As you probably know by now, Toronto Canada is the first city to win an NBA championship outside the USA.
- Hockey: In 1972, Canada rallied to defeat the USSR in the first "Hockey Summit Series".
- Hockey2: Sydney Crosby scored the winning goal in overtime to defeat the US in the 2010 Olympics for the gold medal.
- Baseball: The Blue Jays won the first international World Series for Toronto and Canada.
- The Liberation of the Netherlands In WW2: Every year after, Holland sent thousands of tulip bulbs to Ottawa as a thank you for our war effort.
- Vimy Ridge WW1: The defeat of the Germans at Vimy Ridge was a major milestone in the liberation of France in World War One.
- The Underground Railroad: Canada accepted fleeing slaves during the American Civil War. Harriet Tudman was the major organizer of the railroad.
- Slavery Banned In Upper Canada: John Graves Simcoe was the first Lieutenant Governor of Canada(called Upper Canada in the 1790s). He was an English abolitionist and enacted a bill which forbade slavery in Canada. England took actions to free the slaves in its Empire long before the US did.