5. It is the largest (population-wise) province in Canada.
4. It is home to the Toronto Maple Leafs -- the greatest hockey team on the face of the earth (well, my favourite at least 8=)
3. The official flower is the white trillium.
2. The southern-most part of Canada is in Ontario.
1. The Americans invaded here in 1812. When they were turned back, the Canadians retaliated by burning the White House.