On December 3, 1931, the UK Parliament passed the Statute of Westminster, under which the British dominions of Canada, Australia, New Zealand, South Africa, the Irish Free State and Newfoundland gained complete legislative independence; the statute received royal assent and came into force on December 11.

On December 3, 1901, President Theodore Roosevelt called for the dissolution of business trusts in his first State of the Union address. Roosevelt would go on to dissolve 44 trusts during his administration, earning the nickname "Trust Buster".
Learn more about the history of U.S. antitrust law.