King Charles III is addressing Canada's Parliament on Tuesday in a rare gesture that comes as Canada grapples with tariffs and annexation threats by President Trump.The British monarch, who formally serves as Canada's head of state,

Trump’s repeated suggestion that the U.S. annex Canada prompted Prime Minister Mark Carney to invite Charles to give the speech from the throne outlining his governments priorities for the new session of Parliament. The king is the head of state in Canada, which is a member of the Commonwealth of former colonies.