May 22, 1942 - Delegates to SWOC convention in Cleveland create United Steelworkers of America and elect Philip Murray, chairman of SWOC, as first USWA President.
June 30, 1942 - Amalgamated Association of Iron, Steel & Tin Workers merges with USWA.
June 30, 1944 - Aluminum Workers of America merges with USWA.
February 13, 1945 - USWA holds first secret-ballot referendum for international officers, district directors, and national director for Canada. Murray elected USWA president.
October 2, 1946 - Steelworkers in Hamilton, Ontario, win historic strike for union recognition at Steel Company of Canada (now Stelco), using solidarity, organization, and political and community support to overcome more than 1,000 company scabs and firmly establish the USWA as the predominant union in Hamilton.
October 31, 1949 - USWA wins first company-funded pension plan for workers in contract with Bethlehem Steel.