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2026
2026
policy

Zion National Park: Indigenous and Climate Interpretation Targeted

Zion National Park in Utah was among sites named in coverage of removals or reviews of interpretive material on Indigenous displacement and climate, alongside other Southwest parks.

Zion National Park, Utah, UT
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Zion National Park in Utah was among sites named in coverage of removals or reviews of interpretive material on Indigenous displacement and climate, alongside other Southwest parks. Read full entry →
2026
legislation

Philadelphia Lawsuit Over President's House Exhibit Removal

Philadelphia officials filed suit over the dismantling of slavery-related exhibits at the President's House site, citing a 2006 city–federal agreement; AP News and local outlets covered the dispute and judicial review.

Philadelphia, Pennsylvania, PA
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Philadelphia officials filed suit over the dismantling of slavery-related exhibits at the President's House site, citing a 2006 city–federal agreement; AP News and local outlets covered the dispute and judicial review. Read full entry →
2026
policy

Tribes Protest Grand Canyon Native History Exhibit Changes

Arizona Republic reported tribal nations protested National Park Service actions targeting Native history exhibits and interpretation at Grand Canyon National Park.

Grand Canyon National Park, Arizona, AZ
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Arizona Republic reported tribal nations protested National Park Service actions targeting Native history exhibits and interpretation at Grand Canyon National Park. Read full entry →
2026
policy

Little Bighorn Battlefield Native American Signage Removed

National Park Service removed or altered Native American–related signage at Little Bighorn Battlefield National Monument; tribal leaders and the Northern Cheyenne Tribal Council opposed changes to markers at the site. Reported by Military Times and others.

Little Bighorn Battlefield National Monument, Montana, MT
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National Park Service removed or altered Native American–related signage at Little Bighorn Battlefield National Monument; tribal leaders and the Northern Cheyenne Tribal Council opposed changes to markers at the site. Reported by Military Times and others. Read full entry →
2026
policy

Federal Review of NPS Signs on Native Mistreatment and Climate

The Washington Post and Reuters reported national parks were directed to review and remove signage on mistreatment of Native Americans and on climate change, affecting many sites across several states.

Department of the Interior / National Park System (national scope), DC
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The Washington Post and Reuters reported national parks were directed to review and remove signage on mistreatment of Native Americans and on climate change, affecting many sites across several states. Read full entry →
2026
policy

Big Bend National Park Interpretive Content Reviewed

Big Bend National Park, Texas, was listed among parks where Native-related and climate-related interpretive content faced removal or review under the same federal initiative reported by Arizona Central, Reuters, and others.

Big Bend National Park, Texas, TX
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Big Bend National Park, Texas, was listed among parks where Native-related and climate-related interpretive content faced removal or review under the same federal initiative reported by Arizona Central, Reuters, and others. Read full entry →
2026
policy

President's House Slavery Exhibit Removal - Philadelphia

National Park Service workers used crowbars to remove the only federal historic site exhibit commemorating slavery in America — 'The President's House: Freedom and Slavery in the Making of a New Nation.'

Independence National Historical Park, Philadelphia, Pennsylvania, PA
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National Park Service workers used crowbars to remove the only federal historic site exhibit commemorating slavery in America — 'The President's House: Freedom and Slavery in the Making of a New Nation.' Read full entry →
2025
2025
policy

Acadia National Park Climate and Indigenous Educational Signs Removed

Acadia National Park removed educational signs addressing climate change and Indigenous history, part of broader NPS interpretive changes under federal direction. Covered by Vermont Public and regional outlets.

Acadia National Park, Maine, ME
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Acadia National Park removed educational signs addressing climate change and Indigenous history, part of broader NPS interpretive changes under federal direction. Covered by Vermont Public and regional outlets. Read full entry →
2025
policy

NMAAHC: Major Artifacts Rotated Off Display

NBC News and other outlets reported dozens of objects tied to slavery and civil rights were no longer on public view at the National Museum of African American History and Culture, including items linked to Harriet Tubman and Frederick Douglass, following an …

National Museum of African American History and Culture, Washington D.C., DC
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NBC News and other outlets reported dozens of objects tied to slavery and civil rights were no longer on public view at the National Museum of African American History and Culture, including items linked to Harriet Tubman and Frederick Douglass, following an executive order on Smithsonian content; the Smithsonian cited standard rotations and loan practices. Read full entry →
2025
policy

National Museum of American History: Impeachment Exhibit Revised

Reuters reported the National Museum of American History removed Donald Trump's name from an exhibit on presidential impeachment, restoring an earlier version of the display.

National Museum of American History, Washington D.C., DC
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Reuters reported the National Museum of American History removed Donald Trump's name from an exhibit on presidential impeachment, restoring an earlier version of the display. Read full entry →
2025
legislation

Executive Order 14253: 'Restoring Truth and Sanity to American History'

President Trump signed Executive Order 14253 directing the Department of the Interior and National Park Service to remove exhibits about slavery, Indigenous genocide, civil rights, and climate science from national parks and federal lands.

White House, Washington D.C., DC
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President Trump signed Executive Order 14253 directing the Department of the Interior and National Park Service to remove exhibits about slavery, Indigenous genocide, civil rights, and climate science from national parks and federal lands. Read full entry →
2025
policy

Muir Woods 'History Under Construction' Exhibit Removal

Trump administration removed 'History Under Construction' exhibit acknowledging Coast Miwok Indigenous history and the racist roots of conservation movements at Muir Woods National Monument.

Muir Woods National Monument, California, CA
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Trump administration removed 'History Under Construction' exhibit acknowledging Coast Miwok Indigenous history and the racist roots of conservation movements at Muir Woods National Monument. Read full entry →
2025
discrimination

Stonewall National Monument LGBTQ+ History Altered

Trump administration removed and altered references to transgender and queer people at Stonewall National Monument — the birthplace of the modern LGBTQ+ rights movement.

Stonewall National Monument, New York City, NY
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Trump administration removed and altered references to transgender and queer people at Stonewall National Monument — the birthplace of the modern LGBTQ+ rights movement. Read full entry →
2025
policy

Glacier National Park Climate Change Science Removed

Officials removed descriptions and educational materials explaining how climate change is contributing to glacial loss at Glacier National Park.

Glacier National Park, Montana, MT
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Officials removed descriptions and educational materials explaining how climate change is contributing to glacial loss at Glacier National Park. Read full entry →
2025
policy

Grand Canyon Indigenous Displacement References Removed

National Park Service removed signs and exhibits referencing the forced displacement of Native Americans from Grand Canyon region when the National Park was created.

Grand Canyon National Park, Arizona, AZ
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National Park Service removed signs and exhibits referencing the forced displacement of Native Americans from Grand Canyon region when the National Park was created. Read full entry →
1935
1935
discrimination

Redlining and Racial Covenants: HOLC 'Security Maps' (New Deal Era)

The federal Home Owners' Loan Corporation produced 'Residential Security' maps grading neighborhoods; 'D' areas were often redlined, excluding Black borrowers and shaping decades of segregated wealth. Documented by the Mapping Inequality project and historians.

United States (federal program; maps for 200+ cities)
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The federal Home Owners' Loan Corporation produced 'Residential Security' maps grading neighborhoods; 'D' areas were often redlined, excluding Black borrowers and shaping decades of segregated wealth. Documented by the Mapping Inequality project and historians. Read full entry →
1921
1921
violence

Tulsa Race Massacre

A white mob destroyed Greenwood, Tulsa's prosperous Black district—killing hundreds and leveling homes and businesses. Long minimized in public memory; now widely taught as one of the worst episodes of racial terror in U.S. history.

Greenwood, Tulsa, Oklahoma, OK
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A white mob destroyed Greenwood, Tulsa's prosperous Black district—killing hundreds and leveling homes and businesses. Long minimized in public memory; now widely taught as one of the worst episodes of racial terror in U.S. history. Read full entry →
1882
1882
policy

Chinese Exclusion Act

Federal law barred most Chinese immigration and denied naturalization to Chinese residents—the first major U.S. law restricting immigration by nationality. Repealed in stages; remains a landmark of race-based immigration policy.

Washington D.C. (federal law), DC
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Federal law barred most Chinese immigration and denied naturalization to Chinese residents—the first major U.S. law restricting immigration by nationality. Repealed in stages; remains a landmark of race-based immigration policy. Read full entry →