| 1929-10-31 | Stimson Closes Yardley's Black Chamber, Briefly Interrupting U.S. Peacetime Signals Intelligence
3 src State Department | | confirmed |
| 1929-10-25 | Albert Fall Convicted of Bribery - First Cabinet Member Imprisoned for Crimes in Office
3 src Albert Fall | | confirmed |
| 1929-08-01 | Investment Trust Leverage Pyramids Reach Unsustainable Peak
3 src Goldman Sachs · Federal Reserve | | confirmed |
| 1929-03-31 | Bernays "Torches of Freedom" Campaign Uses Feminism to Sell Cigarettes
3 src Edward Bernays · American Tobacco Company | | confirmed |
| 1929-02-02 | Federal Reserve Warns Against Speculation But Takes No Effective Action
3 src Federal Reserve Board · Andrew Mellon · National City Bank | | confirmed |
| 1928-08-27 | Kellogg-Briand Pact Outlaws War While Preserving Imperial Prerogatives
3 src Calvin Coolidge · U.S. Senate | | confirmed |
| 1928-01-01 | Margin Buying Explosion Enables Rampant Stock Market Speculation
3 src Federal Reserve · Goldman Sachs | | confirmed |
| 1927-09-18 | CBS Founded as Radio Broadcasting Oligopoly Takes Shape
3 src Paramount Pictures | | confirmed |
| 1927-08-23 | Sacco and Vanzetti Executed After Seven Years of Biased Proceedings
3 src |
| confirmed |
| 1927-05-02 | Supreme Court Endorses Forced Sterilization in Buck v. Bell Eugenics Decision
3 src U.S. Supreme Court |
| confirmed |
| 1927-04-21 | Great Mississippi Flood Exposes Racial Labor Exploitation and Plantation System
3 src Herbert Hoover · National Guard | | confirmed |
| 1927-04-11 | Supreme Court Applies Antitrust Law to Union Secondary Boycotts in Bedford Cut Stone
3 src George Sutherland · U.S. Supreme Court |
| confirmed |
| 1927-02-25 | McFadden Act Perpetuates Banking Fragmentation, Prohibits Interstate Branching
3 src Calvin Coolidge · U.S. Congress · Federal Reserve | | confirmed |
| 1927-02-23 | Radio Act of 1927 Establishes Public Ownership of Airwaves and "Public Interest" Broadcasting Standard
4 src Calvin Coolidge · U.S. Congress | | confirmed |
| 1927-01-01 | Company Unions Peak as Welfare Capitalism Undermines Independent Labor
3 src U.S. Steel · National Association of Manufacturers · Samuel Gompers | | confirmed |
| 1926-11-15 | NBC Created as RCA Establishes Radio Broadcasting Monopoly
3 src General Electric · AT&T | | confirmed |
| 1926-10-25 | Myers v. United States: Taft Court Reads Presidential Removal Power Into Article II, Predicate for Later Unitary-Executive Claims
3 src U.S. Supreme Court · William Howard Taft · Woodrow Wilson · Louis Brandeis |
| confirmed |
| 1926-08-06 | Gertrude Ederle Swims English Channel But Era Constrains Women's Progress
2 src | | confirmed |
| 1926-02-26 | Revenue Act of 1926 Slashes Top Tax Rate to 25%, Abolishes Gift Tax in Full Mellon Plan
3 src Andrew Mellon · Calvin Coolidge · U.S. Congress · Republican Party | | confirmed |
| 1925-11-14 | D.C. Stephenson Convicted of Murder Exposing Klan Leadership Corruption
3 src | | confirmed |
| 1925-08-08 | KKK Marches on Washington at Peak of Institutional Influence
3 src Ku Klux Klan | | confirmed |
| 1925-06-08 | Supreme Court Upholds Criminal Anarchy Conviction While Expanding Due Process
3 src U.S. Supreme Court |
| confirmed |
| 1925-05-25 | Supreme Court Reverses Coronado Decision, Opens Unions to Antitrust Liability
3 src William Howard Taft · U.S. Supreme Court · United Mine Workers of America |
| confirmed |
| 1925-01-30 | Charles Forbes Convicted of Veterans Bureau Fraud After Nine-Week Trial
3 src Warren G. Harding | | confirmed |
| 1925-01-01 | Florida Land Boom Epitomizes Unregulated Speculation and Securities Fraud
3 src Florida Legislature | | confirmed |
| 1924-06-02 | Revenue Act of 1924 Continues Mellon Tax Cuts for Wealthy, Lowers Top Rate to 46%
3 src Andrew Mellon · Calvin Coolidge · U.S. Congress · Republican Party | | confirmed |
| 1924-05-28 | U.S. Border Patrol Founded Staffed by Former Klansmen and Texas Rangers | | |
| 1924-05-26 | Immigration Act of 1924 Imposes Racist National Origins Quotas Based on Eugenics
3 src Calvin Coolidge · U.S. Congress | | confirmed |
| 1924-05-10 | Hoover Named Acting Director of Bureau of Investigation, Begins 48-Year Tenure
3 src J. Edgar Hoover · Harlan Fiske Stone · Bureau of Investigation · Calvin Coolidge |
| confirmed |
| 1924-03-28 | Coolidge Fires Daugherty for Refusing to Open Justice Department Files
3 src Harry Daugherty · Calvin Coolidge · Warren G. Harding | | confirmed |
| 1924-01-15 | National Industrial Conference Board Coordinates Corporate Anti-Union Propaganda
3 src National Association of Manufacturers · U.S. Chamber of Commerce |
| confirmed |
| 1923-10-15 | Senate Public Lands Committee Begins Teapot Dome Hearings Under Thomas Walsh
3 src Albert Fall | | confirmed |
| 1923-09-01 | Ku Klux Klan Seizes Control of Indiana State Government
3 src Ku Klux Klan | | confirmed |
| 1923-05-30 | Jesse Smith Suicide Exposes Ohio Gang Justice Department Corruption
3 src Harry Daugherty · Warren G. Harding | | confirmed |
| 1923-04-09 | Supreme Court Strikes Down Federal Minimum Wage Law for Women in Adkins Decision
3 src George Sutherland · U.S. Supreme Court |
| confirmed |
| 1923-02-15 | Charles Forbes Resigns Veterans Bureau Amid Massive Corruption Scandal
3 src Warren G. Harding | | confirmed |
| 1923-01-01 | Edward Bernays Publishes "Crystallizing Public Opinion" Launching Modern PR Industry
3 src Edward Bernays · American Tobacco Company | | confirmed |
| 1923-01-01 | Rosewood Massacre Destroys Entire Black Florida Town Following False Accusation | | |
| 1922-11-01 | Scripps-McRae League Renamed Scripps-Howard as Second-Largest Newspaper Chain Consolidates Power
4 src |
| confirmed |
| 1922-09-01 | Railway Shopcraft Strike Broken by Daugherty Sweeping Injunction
3 src Harry Daugherty · Warren G. Harding |
| confirmed |
| 1922-06-05 | Supreme Court Rules Unincorporated Unions Can Be Sued in Coronado Coal Case
3 src William Howard Taft · U.S. Supreme Court · United Mine Workers of America |
| confirmed |
| 1922-05-15 | Supreme Court Strikes Down Federal Child Labor Tax as Unconstitutional
3 src William Howard Taft · U.S. Supreme Court · U.S. Congress |
| confirmed |
| 1922-04-15 | Senate Initiates Investigation of Teapot Dome Secret Oil Leases
3 src | | confirmed |
| 1922-04-07 | Albert Fall Secretly Grants Teapot Dome Oil Reserve to Harry Sinclair Without Competitive Bidding
3 src Albert Fall | | confirmed |
| 1922-01-01 | Holding Company Proliferation Enables Corporate Consolidation and Regulatory Evasion
3 src J.P. Morgan | | confirmed |
| 1921-12-19 | Supreme Court Invalidates Arizona Anti-Injunction Law in Truax v. Corrigan
3 src William Howard Taft · U.S. Supreme Court |
| confirmed |
| 1921-11-30 | Interior Secretary Albert Fall Receives $100,000 Cash Bribe from Edward Doheny
3 src Albert Fall | | confirmed |
| 1921-11-23 | Revenue Act of 1921 Begins Mellon Tax Cuts for Wealthy
3 src Andrew Mellon · Warren G. Harding · Republican Party | | confirmed |
| 1921-09-15 | DuPont-GM Consolidation Creates Model of Interlocking Corporate Control
3 src General Motors | | confirmed |
| 1921-08-25 | Battle of Blair Mountain - Largest Armed Labor Uprising in US History
3 src United Mine Workers of America | | confirmed |
| 1921-06-01 | Tulsa Race Massacre Destroys Black Wall Street in Largest Single Act of Racial Collective Punishment | | |
| 1921-05-31 | Harding Transfers Naval Oil Reserves to Interior Department
3 src Warren G. Harding · Albert Fall | | confirmed |
| 1921-05-19 | Emergency Quota Act Establishes First Numerical Immigration Limits Based on National Origin
3 src Warren G. Harding · U.S. Congress | | confirmed |
| 1921-01-03 | Supreme Court Guts Clayton Act Labor Protections in Duplex Printing Decision
3 src U.S. Supreme Court |
| confirmed |
| 1921-01-01 | American Plan Open Shop Campaign Launches Nationwide Union Suppression
3 src National Association of Manufacturers · U.S. Chamber of Commerce · U.S. Steel · Henry Clay Frick · +1 | | confirmed |
| 1920-08-23 | Sacco and Vanzetti Arrested in Red Scare Climate of Anti-Immigrant Hysteria
3 src Department of Justice |
| confirmed |
| 1920-08-18 | Tennessee Becomes 36th State to Ratify 19th Amendment as Women Win Right to Vote
3 src Tennessee General Assembly | | confirmed |
| 1920-06-05 | Jones Act Establishes Shipping Protectionism Still Harming Consumers Today
3 src U.S. Congress · Woodrow Wilson | | confirmed |
| 1920-06-01 | Farm Crisis Begins as Agricultural Prices Collapse While Debt Remains
3 src Andrew Mellon · Federal Reserve · U.S. Congress | | confirmed |
| 1920-05-28 | 'Report Upon the Illegal Practices of the United States Department of Justice' Repudiates Palmer Raids
2 src A. Mitchell Palmer · J. Edgar Hoover |
| confirmed |
| 1920-03-01 | Supreme Court Dismisses U.S. Steel Antitrust Case, Ruling Size Alone Not Illegal - Enforcement Ends Until 1945
4 src U.S. Supreme Court · U.S. Steel Corporation |
| confirmed |
| 1920-01-02 | Palmer Raids Escalate with Coordinated Mass Arrests Across 33 Cities
5 src A. Mitchell Palmer · J. Edgar Hoover · Department of Justice | | confirmed |
| 1920-01-01 | Hearst Newspaper Empire Reaches 28 Papers Controlling One in Four American Readers Through Yellow Journalism Tactics
4 src |
| confirmed |