Jan. 20: Trump sworn in, announces plans for 25 per cent tariff on Canada

Feb. 1: Trump announces 25 per cent tariffs on Canadian imports, effective Feb. 4

Feb. 3: Trump agrees to a 30-day delay for tariffs on Canada Feb. 10: Trump removes 2018 steel exemptions, raising tariffs to 25 per cent on all steel imports. Aluminum tariffs increased from 10 to 25 per cent, effective March 12.

March 4: Trump enforces 25 per cent tariffs on Canadian imports, though only 10 per cent on energy. Canada responds with $100 billion in retaliatory measures

March 5: Trump agrees a one-month pause on tariffs for auto imports from Canada

March 12: Canada imposes $29.8 billion retaliatory tariffs on U.S.

March 26: U.S. announces a 25 per cent tariff on all imported vehicles, including those made in Canada, effective April 3.

April 2: Canada implements additional $95 billion in tariffs on U.S. goods

April 3: Canada announced 25 per cent retaliatory tariffs on all non-CUSMA vehicles and non-Canadian auto parts, but only those imported from the U.S. April 9: The U.S. imposes reciprocal 10 per cent tariff on Canadian imports, a 25 per cent tariff on non-USMCA goods, and 10 per cent on energy and potash. Canada retaliates with additional $125 billion in tariffs on U.S. imports.

April 11: Trump announces 90-day pause on new tariff increases for most countries, but existing tariffs on Canadian imports remain.