Congress of Industrial Organizations (CIO) — formation to postwar merger (1935–1955)

1. Wagner Act creates federal organizing protections

   Jul 5, 1935Labels: Wagner Act, NLRB

   • National Archives
   • NLRB History

2. Committee for Industrial Organization is announced

   Nov 9, 1935Labels: Committee for, John L

   • CIO Wiki
   • Lewis Wiki

3. Flint sit-down strike boosts CIO-style organizing

   Dec 30, 1936Labels: Flint sit-down, United Automobile

   • HISTORY
   • Flint Strike Wiki

4. AFL executive council orders CIO unions expelled

   Mar 1, 1937Labels: AFL Executive, AFL

   • Encyclopedia com
   • CIO Wiki

5. U.S. Steel signs recognition agreement with SWOC

   Mar 2, 1937Labels: U S, SWOC

   • FRASER BLS
   • Encyclopedia com

6. Memorial Day Massacre during Little Steel strike

   May 30, 1937Labels: Memorial Day, Little Steel

   • Chicago History
   • Massacre Wiki

7. CIO becomes a separate federation at Pittsburgh convention

   Nov 14, 1938Labels: Congress of, Pittsburgh convention

   • Labor Trail
   • CIO Wiki

8. Philip Murray becomes CIO president

   Nov 22, 1940Labels: Philip Murray, CIO leadership

   • Murray Wiki
   • CIO Wiki

9. United Steelworkers is formed from SWOC

   May 22, 1942Labels: United Steelworkers, SWOC

   • Murray Wiki
   • FRASER BLS

10. CIO forms CIO-PAC to influence elections

    Jul 1, 1943Labels: CIO-PAC, CIO

    • CIO PAC Wiki
    • Murray Wiki

11. Operation Dixie launches to organize the U.S. South

    Mar 1, 1946Labels: Operation Dixie, CIO

    • Operation Dixie
    • CIO Wiki

12. Taft–Hartley Act restricts unions after veto override

    Jun 23, 1947Labels: Taft Hartley, Congress

    • Taft Hartley Wiki
    • CIO Wiki

13. CIO convention votes to expel several left-led unions

    Oct 31, 1949Labels: CIO purge, Cleveland convention

    • Cleveland ECH
    • CIO Wiki

14. AFL and CIO merge to form the AFL–CIO

    Dec 5, 1955Labels: AFL CIO, merger convention

    • Cornell Kheel
    • CIO Wiki