Timeline View
Follow the historical sequence.
Browse the database as a readable timeline. Each era works like a chapter: start with the high-level pattern, then drill into the policies that shaped it.
Browse the Timeline
Jump to an era, or narrow the page to one impact direction so the sequence is easier to follow.
Filter By Impact
Era 1
Contemporary Era
2008 to Present
42 of 48 tracked policies are marked as direct Black impact. Positive records are the largest visible group in this era.
Showing 4 of 48 matching policies
Total
48
Direct Impact
42
Positive
23
Mixed
6
Negative
7
Blocked
12
1974
Law
Equal Credit Opportunity Act
Republican Party • Gerald Ford
Prohibited discrimination in credit transactions based on race, sex, and other factors.
1975
Law
Home Mortgage Disclosure Act
Republican Party • Gerald Ford
Required lenders to disclose mortgage data to identify discriminatory practices.
1986
Law
Anti-Drug Abuse Act of 1986
Republican Party • Ronald Reagan
Federal anti-drug law that established harsh mandatory minimum sentences, including the 100-to-1 crack versus powder cocaine sentencing disparity.
1988
Law
Anti-Drug Abuse Act of 1988
Republican Party • Ronald Reagan
Expanded the federal drug war framework, created the Office of National Drug Control Policy, and intensified criminal penalties tied to drug enforcement.
Era 2
Civil Rights Era
1948 to 1968
26 of 29 tracked policies are marked as direct Black impact. Positive records are the largest visible group in this era.
Showing 4 of 29 matching policies
Total
29
Direct Impact
26
Positive
20
Mixed
8
Negative
1
Blocked
0
1944
Law
G.I. Bill (Servicemen's Readjustment Act)
Democratic Party • Franklin D. Roosevelt
Provided education and housing benefits to returning veterans.
1944
Court Case
Smith v. Allwright
No Primary Party • Franklin D. Roosevelt
The Supreme Court ruled that white-only primary elections were unconstitutional.
1946
Law
Hospital Survey and Construction Act
Democratic Party • Harry S. Truman
Authorized federal grants and loans for hospital construction and modernization through state plans, greatly expanding hospital infrastructure while permitting segregated implementation in many parts of the country.
1948
Executive Order
Executive Order 9981
Democratic Party • Harry S. Truman
Ordered equality of treatment and opportunity in the armed services and began the formal desegregation of the military.
Era 3
Jim Crow and Disenfranchisement
1878 to 1947
19 of 21 tracked policies are marked as direct Black impact. Negative records are the largest visible group in this era.
Showing 4 of 21 matching policies
Total
21
Direct Impact
19
Positive
6
Mixed
4
Negative
7
Blocked
4
1883
Court Case
Civil Rights Cases (1883)
No Primary Party • Unknown president
The Supreme Court struck down the Civil Rights Act of 1875, ruling that Congress could not prohibit racial discrimination by private individuals or businesses.
1896
Court Case
Plessy v. Ferguson
No Primary Party • Unknown president
The Supreme Court upheld racial segregation under the separate but equal doctrine.
1898
Court Case
Williams v. Mississippi
No Primary Party • Unknown president
The Supreme Court upheld Mississippi's poll tax, literacy test, and related voter qualification scheme because the law did not explicitly name race on its face, even though it was designed and administered to disfranchise Black voters.
1900
Law
George White Anti-Lynching Bill (H.R. 6963)
Republican Party • William McKinley
Representative George Henry White introduced the first federal anti-lynching bill to protect citizens against mob violence, but the measure never made it out of committee.
Era 4
Civil War and Reconstruction
1861 to 1877
16 of 16 tracked policies are marked as direct Black impact. Positive records are the largest visible group in this era.
Showing 4 of 16 matching policies
Total
16
Direct Impact
16
Positive
13
Mixed
1
Negative
2
Blocked
0
1863
Executive Order
Emancipation Proclamation
Republican Party • Abraham Lincoln
Declared enslaved people in Confederate-held territory to be free, shifting the war toward abolition.
1865
Amendment
13th Amendment
Republican Party • Abraham Lincoln
Abolished slavery and involuntary servitude except as punishment for crime.
1865
Program
Freedmen's Bureau
Republican Party • Abraham Lincoln
Established the Bureau of Refugees, Freedmen, and Abandoned Lands in the War Department to provide relief, labor oversight, schooling support, legal assistance, and family reunification support for formerly enslaved people and war refugees.
1866
Law
Civil Rights Act of 1866
Republican Party • Abraham Lincoln
Declared all persons born in the United States to be citizens and guaranteed basic civil rights regardless of race.
Era 5
Post Civil Rights Era
1969 to 2007
14 of 15 tracked policies are marked as direct Black impact. Positive records are the largest visible group in this era.
Showing 4 of 15 matching policies
Total
15
Direct Impact
14
Positive
10
Mixed
1
Negative
4
Blocked
0
1969
Court Case
Alexander v. Holmes County Board of Education
No Primary Party • Richard Nixon
The Supreme Court ordered Southern school districts to end delays and transition immediately from dual school systems to unitary systems.
1971
Court Case
Griggs v. Duke Power Company
No Primary Party • Richard Nixon
The Supreme Court held that Title VII prohibits employment practices that are facially neutral but have a discriminatory impact unless the employer can show business necessity.
1971
Court Case
Swann v. Charlotte-Mecklenburg Board of Education
No Primary Party • Richard Nixon
The Supreme Court approved broad equitable remedies, including busing and redrawn attendance zones, to dismantle de jure school segregation.
1974
Court Case
Milliken v. Bradley
No Primary Party • Richard Nixon
The Supreme Court limited interdistrict desegregation remedies by ruling that suburban districts could not be included in a metropolitan desegregation plan absent proof that they had contributed to the constitutional violation.
