The US military has NEVER been used to keep the peace inside the USA.... except all those times it was.

19th Century

• Whiskey Rebellion (1794): President George Washington federalized state militia (precursor to National Guard) to suppress tax protesters in western Pennsylvania, restoring order without major violence.
• Fries's Rebellion (1799): President John Adams deployed federal troops and militia to quell resistance to property taxes in eastern Pennsylvania.
• Dorr Rebellion (1842): Rhode Island militia, supported by federal forces, suppressed an armed uprising for voting rights, enforcing the state constitution.
• New York Draft Riots (1863): During the Civil War, federal troops and New York militia were deployed to suppress anti-draft riots that killed over 100 people, amid racial and class tensions.
• Great Railroad Strike (1877): Federal troops and state militia were sent to multiple states (e.g., Pennsylvania, Maryland, West Virginia) to break strikes and restore rail operations after violent clashes killed dozens.
• Haymarket Riot (1886): Illinois National Guard was mobilized in Chicago to quell labor unrest following the bombing that killed police officers.
• Homestead Strike (1892): Pennsylvania National Guard protected strikebreakers during violent clashes between steelworkers and Pinkerton agents in Pittsburgh.
• Pullman Strike (1894): President Grover Cleveland federalized Illinois National Guard and sent US Army troops to Chicago to end the nationwide rail strike, arresting leaders like Eugene Debs.

20th Century (Pre-WWII)

• Colorado Labor Wars (1903–1904): Colorado National Guard, federalized by President Theodore Roosevelt, intervened in mining strikes in Cripple Creek and Telluride, using force to break unions amid deadly clashes.
• Atlanta Race Riot (1906): Georgia militia was deployed to restore order after white mobs attacked Black neighborhoods, resulting in at least 25 deaths.
• Springfield Race Riot (1908): Illinois National Guard quelled white supremacist attacks on Black residents in Springfield, Illinois.
• East St. Louis Race Riots (1917): Federal troops and Illinois National Guard were sent after white mobs killed dozens of Black residents amid labor tensions.
• Red Summer Riots (1919): National Guard units were activated in multiple cities (e.g., Washington, D.C., Chicago, Omaha) to suppress widespread racial violence against Black communities post-WWI, with over 100 deaths nationwide.
• Steel Strike (1919): Federal troops were deployed in Pennsylvania and other states to protect mills during the labor strike.
• Tulsa Race Massacre (1921): Oklahoma National Guard was called in after white mobs destroyed the Black Greenwood district, killing up to 300; troops disarmed Black defenders and imposed martial law.
• Herrin Massacre Aftermath (1922): Illinois National Guard maintained order in coal mining areas following violent union clashes that killed 23.
• Ku Klux Klan March in Washington, D.C. (1925): US Army troops were briefly readied but not deployed; local police handled the peaceful event, though it highlighted tensions.

20th Century (WWII and Postwar)

• Detroit Race Riot (1943): Federal troops and Michigan National Guard were deployed after clashes between Black and white residents killed 34, enforcing curfews.
• Columbia, Tennessee Race Crisis (1946): Tennessee National Guard intervened after white mobs attacked Black veterans, preventing further violence.
• Little Rock School Desegregation (1957): President Dwight D. Eisenhower federalized the Arkansas National Guard and sent the 101st Airborne Division to enforce court-ordered integration against Governor Orval Faubus's opposition, protecting nine Black students.
• Ole Miss Integration (1962): President John F. Kennedy federalized the Mississippi National Guard and deployed over 30,000 federal troops to quell riots opposing James Meredith's enrollment as the first Black student at the University of Mississippi.
• University of Alabama Integration (1963): President Kennedy federalized the Alabama National Guard to escort Black students Vivian Malone and James Hood, overriding Governor George Wallace's "stand in the schoolhouse door."
• Harlem Riot (1964): New York National Guard was mobilized after police shooting of a Black teenager sparked unrest.
• Watts Riots (1965): California National Guard was deployed in Los Angeles after six days of rioting killed 34 and caused widespread arson.
• Newark Riots (1967): New Jersey National Guard and state police quelled unrest after a Black cab driver's arrest, resulting in 26 deaths.
• Detroit Riot (1967): President Lyndon B. Johnson federalized the Michigan National Guard and sent Army paratroopers; over 7,000 arrests amid 43 deaths.
• Washington, D.C. Riots (1968): Following Martin Luther King Jr.'s assassination, President Johnson deployed over 13,000 federal troops (Army and Marines) to restore order after four days of arson and looting.
• Chicago, Baltimore, and Other Riots (1968): National Guard units were activated in multiple cities (e.g., Illinois, Maryland) post-assassination to suppress copycat unrest.
• Miami Riots (1980): Florida National Guard was sent after a white officer's acquittal in the killing of Black youth Arthur McDuffie sparked three days of violence.

21st Century

• Cincinnati Riots (2001): Ohio National Guard was placed on standby but not deployed after unrest over police killing of Timothy Thomas.
• Los Angeles Riots (1992): President George H.W. Bush federalized the California National Guard and sent 4,000 federal troops after the Rodney King verdict verdict sparked six days of rioting, with 63 deaths.
• Post-9/11 Security (2001–ongoing): National Guard was deployed to airports and cities for counterterrorism patrols, though primarily preventive rather than reactive peacekeeping.
• Ferguson Unrest (2014): Missouri National Guard was activated by Governor Jay Nixon to quell protests and riots after Michael Brown's shooting; federal oversight followed.
• Baltimore Riots (2015): Maryland National Guard was deployed after Freddie Gray's death in police custody sparked arson and looting.
• Charlotte Riots (2016): North Carolina National Guard was mobilized after Keith Lamont Scott's shooting led to protests turning violent.
• George Floyd Protests (2020): National Guard units were activated in over 20 states (e.g., Minnesota, California, New York) to protect property and enforce curfews amid nationwide unrest; President Trump threatened Insurrection Act invocation but did not federalize broadly.
• January 6 Capitol Attack Aftermath (2021): Over 25,000 National Guard troops from multiple states were deployed to Washington, D.C., for security during Biden's inauguration, extending into ongoing Capitol protection.