Nov. 25, 2024: Trump threatens 25% tariff on Canada
Feb. 1, 2025: Trump signs executive order announcing 25% tariff on most Canadian exports
March 4: 25% tariff takes effect
March 6: Trump pauses majority of Canadian tariffs
March 12: 25% tariff on steel takes effect
May 30: Trump says he intends to double steel tariff to 50%
June 4: 50% tariff on steel takes effect