The U.S. Senate votes 89–10 to pass the United States–Mexico–Canada Agreement. Once ratified by Canada, it will supersede the North America Free Trade Agreement.
Trump implements a tariff of 10% on aluminum imports from Canada, pursuant to Section 232 of the US Trade Expansion Act. The United States previously imposed tariffs on Canadian steel and aluminum in 2018 citing national security concerns, before removing them last year as part of the USCMA Free Trade Agreement. Prime Minister of Canada Justin Trudeau vows "dollar-for-dollar" countermeasures.
A 64-year-old woman was killed after being attacked by a man with a hammer in Toronto, Canada. The victim was chosen at random. The attacker left a note on the victim's body, expressing support for terrorism. He was arrested and charged with terrorism offences.
The United States Senate votes on whether to acquit U.S. President Donald Trump. By a vote of 52–48 almost entirely along party lines, the Republican-majority Senate acquits Trump on the first article of impeachment, abuse of power, and acquits him on the second charge, obstruction of Congress, in a separate 53–47 vote. Utah Senator Mitt Romney casts the sole Republican guilty vote, against party lines, on the first article.
U.S. Trade Representative Robert Lighthizer tells a Senate panel that President Donald Trump has decided to "pause" tariffs on steel and aluminium imports from the European Union, Argentina, Australia, Brazil, Canada, Mexico, and South Korea.
The United States Senate defeated a measure that would have banned the Environmental Protection Agency from regulating greenhouse gas emissions under the Clean Air Act (United States). The new regulations which began being applied early this year affect air polluters such as power plants and oil refineries, attempts to address climate change mitigation.