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18691883189719111924
Last Updated:Mar 1, 2026

American Labor Movement: Knights of Labor to the AFL (1869–1924)

American Labor Movement: Knights of Labor to the AFL (1869–1924)

  1. Knights of Labor founded in Philadelphia

    Labels: Knights of, Uriah S, Philadelphia

    Uriah Smith Stephens and a small group of Philadelphia tailors founded the Noble and Holy Order of the Knights of Labor, which soon became the first major national U.S. labor organization.

  2. Great Railroad Strike begins in Martinsburg

    Labels: Great Railroad, B&O Railroad, Martinsburg

    The Great Railroad Strike of 1877 began after a wage cut on the B&O Railroad and spread across multiple states—an early nationwide test of industrial conflict and state/federal suppression of strikes.

  3. FOTLU created at Pittsburgh convention

    Labels: FOTLU, craft unions, Pittsburgh

    Craft-union leaders founded the Federation of Organized Trades and Labor Unions (FOTLU), an important predecessor to the AFL that promoted coordination among trade unions.

  4. Knights of Labor membership surges

    Labels: Knights of, Terence Powderly, membership surge

    Under Terence V. Powderly, the Knights expanded rapidly; by 1886 it reached roughly 700,000+ members, becoming the largest labor organization in the U.S. before its decline later in the decade.

  5. Great Southwest Railroad Strike begins

    Labels: Great Southwest, Knights of, Jay Gould

    A large multi-state railroad strike led by the Knights of Labor began against railroads associated with Jay Gould; its defeat contributed to the Knights’ weakening and the growing appeal of craft unionism.

  6. Haymarket Affair bombing in Chicago

    Labels: Haymarket Affair, Chicago, labor rally

    A labor rally supporting the eight-hour day ended in violence after a bomb was thrown at police, intensifying repression and public backlash and accelerating shifts in U.S. labor organizing.

  7. American Federation of Labor founded in Columbus

    Labels: American Federation, FOTLU, Samuel Gompers

    FOTLU reorganized as the American Federation of Labor (AFL), consolidating craft unions; Samuel Gompers emerged as its leading figure and long-serving president.

  8. Homestead Strike erupts at Carnegie Steel

    Labels: Homestead Strike, Carnegie Steel, Pennsylvania

    A major steel dispute at Homestead, Pennsylvania, escalated into violence and ended in a decisive defeat for organized labor in steel, demonstrating the power of employers, private security, and state forces.

  9. Pullman Strike begins and spreads nationwide

    Labels: Pullman Strike, American Railway, federal intervention

    Pullman workers struck after wage cuts; the dispute widened through the American Railway Union boycott and was broken by federal injunctions and troops, marking a turning point in federal intervention in labor conflicts.

  10. Erdman Act establishes federal rail mediation

    Labels: Erdman Act, William McKinley, rail mediation

    President William McKinley signed the Erdman Arbitration Act, authorizing federal mediation/arbitration mechanisms for labor disputes involving interstate rail carriers.

  11. Lochner v. New York limits hours regulation

    Labels: Lochner v, Supreme Court, hours law

    The U.S. Supreme Court struck down New York’s maximum-hours law for bakers, reinforcing “freedom of contract” jurisprudence that constrained many protective labor regulations in the early 20th century.

  12. Triangle Shirtwaist Factory fire kills 146

    Labels: Triangle Shirtwaist, New York, factory fire

    A deadly New York City garment-factory fire spurred major workplace safety and labor-law reforms, including the creation of New York’s Factory Investigating Commission and numerous new health-and-safety statutes.

  13. Clayton Antitrust Act enacted with labor protections

    Labels: Clayton Antitrust, Congress, labor protections

    The Clayton Antitrust Act included provisions (notably Section 6) widely interpreted as limiting antitrust attacks on unions and recognizing that “the labor of a human being is not a commodity.”

  14. Coppage v. Kansas upholds “yellow-dog” contracts

    Labels: Coppage v, Supreme Court, yellow-dog

    The U.S. Supreme Court invalidated a state ban on anti-union employment agreements, allowing employers to require workers to forswear union membership as a condition of employment.

  15. Keating–Owen Child Labor Act signed

    Labels: Keating Owen, Congress, child labor

    Congress passed and President Woodrow Wilson signed the first major federal law restricting child labor via interstate commerce controls (later struck down by the Supreme Court).

  16. Adamson Act establishes eight-hour day for rail workers

    Labels: Adamson Act, rail workers, eight-hour day

    The Adamson Act set an eight-hour workday (with overtime pay) for interstate railroad workers, a major federal intervention to avert a national rail strike and advance hours reform.

  17. Transportation Act creates Railroad Labor Board

    Labels: Transportation Act, Railroad Labor, rail regulation

    The Transportation Act of 1920 reorganized rail regulation after wartime control and established the Railroad Labor Board to address wage disputes, shaping federal labor relations in rail through the 1920s.

  18. Samuel Gompers dies after long AFL presidency

    Labels: Samuel Gompers, American Federation, death

    AFL president Samuel Gompers died in 1924 after decades of leadership that emphasized craft unionism and collective bargaining focused on wages, hours, and working conditions.