The monarch has "ways to demonstrate his support for Canadian sovereignty" after Donald Trump's threats, a historian said.

"I've always been a proud Canadian and felt that our flag represented ... said the design of the flag, with no military or religious symbols, makes it adaptable. "It represents whatever we want ...

Image The Canadian flag was heavily displayed in protests ... Soon, the Canadian Red Ensign was being used on land, particularly by the military during World War I, before gaining official status ...