Lower Canada was what is now Québec while Upper Canada is now Ontario. The designations were based on their relative positions along the St. Lawrence River.
Oh, I’m well aware of Upper and lower Canada . My family has been in Ontario since 1818. I was born in Upper .
But “Beginning in 1610, Lower Canada, a new British colony “ is simply poor research . Maybe Newfoundland?
As for the Red Ensign . Old John A. and following governments encouraged it’s use but unfortunately it was never officially made Canada’s flag.
The Act Of Union Of 1840 unified Upper and Lower Canada as the single province of Canada.
Upper Canada was known as Canada West and Lower Canada was known as Canada East.
They were redivided into their present day parts as Ontario and Quebec at Confederation on July 1, 1867.