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Updated:Apr 23, 2026
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Formation and Rise of the Congress of Industrial Organizations (CIO) (United States, 1935–1955)

Formation and Rise of the Congress of Industrial Organizations (CIO) (United States, 1935–1955)

  2. Committee for Industrial Organization announced within the AFL

    Labels: Committee for, John L, AFL

  3. CIO suspensions deepen the break with the AFL

    Labels: AFL, CIO supporters, labor-suspensions

  4. Flint sit-down strike wins GM recognition for UAW

    Labels: Flint sit-down, UAW, General Motors

  5. U.S. Steel signs a major contract with SWOC

    Labels: U S, SWOC, collective-bargaining

  6. Little Steel strike begins against smaller steel firms

    Labels: Little Steel, SWOC, smaller-steel-firms

  7. CIO formally breaks with AFL and adopts new name

    Labels: Congress of, John L, Pittsburgh convention

  8. United Steelworkers formed from CIO steel organizing effort

    Labels: United Steelworkers, CIO steel, USW

  9. Postwar strike wave reshapes labor-management bargaining

    Labels: postwar strike, labor-management bargaining, 1945

  10. CIO launches Operation Dixie to organize the South

    Labels: Operation Dixie, CIO, Southern manufacturing

  11. Taft–Hartley Act tightens rules on union activity

    Labels: Taft Hartley, Congress, labor-law

  12. CIO convention votes to purge communist-led unions

    Labels: CIO convention, anti-communist purge, Cleveland

  13. Walter Reuther elected CIO president

    Labels: Walter Reuther, UAW, CIO president

  14. AFL–CIO merger creates a single national labor federation

    Labels: AFL CIO, AFL, CIO