Fifteenth Amendment

Guinn v. United States, 238 U.S. 347 (1915), was a United States Supreme Court decision that found certain grandfather clause exemptions to literacy tests for voting rights to be unconstitutional. Though these grandfather clauses were superficially race-neutral, they were designed to protect the voting rights of illiterate white voters while disenfranchising black voters.

Harper v. Virginia State Board of Elections, 383 U.S. 663 (1966), was a case in which the United States Supreme Court found that Virginia's poll tax was unconstitutional under the Equal Protection Clause of the Fourteenth Amendment. In the late 19th and early 20th centuries, eleven southern states established poll taxes as part of their disenfranchisement of most blacks and many poor whites.

United States v. Reese, 92 U.S. 214 (1876), was a voting rights case in which the United States Supreme Court narrowly construed the Fifteenth Amendment to the United States Constitution as not supporting the Enforcement Act of 1870 prohibition of all state voting restrictions.

United States v. Cruikshank, 92 U.S. 542 (1876), was a landmark decision of the United States Supreme Court, ruling that the U.S. Bill of Rights did not limit the power of private actors or state governments despite the adoption of the Fourteenth Amendment. It reversed the federal criminal convictions for the civil rights violations committed in aid of anti-Reconstruction murders.

Myers v. Anderson, 238 U.S. 368 (1915), was a United States Supreme Court decision that held Maryland state officials liable for civil damages for enforcing a grandfather clause. Grandfather clauses exempted voters from requirements such as poll taxes and literacy tests if their grandfathers had been registered voters, and were largely designed to exempt white voters from restrictions intended to disenfranchise former black slaves and their descendants.

Nixon v. Herndon, 273 U.S. 536 (1927), was a United States Supreme Court decision which struck down a 1923 Texas law forbidding blacks from voting in the Texas Democratic Party primary. Due to the limited amount of Republican Party activity in Texas at the time following the suppression of black voting through poll taxes, the Democratic Party primary was essentially the only competitive process and chance to choose candidates for the Senate, House of Representatives and state offices.

Nixon v. Condon, 286 U.S. 73 (1932), was a voting rights case decided by the United States Supreme Court, which found the all-white Democratic Party primary in Texas unconstitutional. This was one of four cases brought to challenge the Texas all-white Democratic Party primary.

Grovey v. Townsend, 295 U.S. 45 (1935), was a United States Supreme Court decision that held a reformulation of Texas's white primaries system to be constitutional. The case was the third in a series of Court decisions known as the "Texas primary cases".

United States v. Classic, 313 U.S. 299 (1941), was a decision by the Supreme Court of the United States that the United States Constitution empowered Congress to regulate primary elections and political party nominations procedures, and that the constitutional "right of participation" extended to primary elections "is protected just as is the right to vote at the election, where the primary is by law made an integral part of the election machinery, whether the voter exercises his right in a party primary which invariably, sometimes or never determines the ultimate choice of the…

Smith v. Allwright, 321 U.S. 649 (1944), is a landmark decision of the United States Supreme Court with regard to voting rights and, by extension, racial desegregation. It overturned the Texas state law that authorized parties to set their internal rules, including the use of white primaries.

Terry v. Adams, 345 U.S. 461 (1953), was a United States Supreme Court decision that held white-only pre-primary elections to be unconstitutional. It was the last in a series of court cases addressing the system of white primaries designed to disenfranchise African-American voters in the southern United States.

Gomillion v. Lightfoot, 364 U.S. 339 (1960), is a landmark decision of the Supreme Court of the United States that found an electoral district with boundaries created to disenfranchise African Americans violated the Fifteenth Amendment.

Rice v. Cayetano, 528 U.S. 495 (2000), was a case filed in 1996 by Big Island rancher Harold "Freddy" Rice against the state of Hawaii and argued before the United States Supreme Court. In 2000, the Court ruled that the state could not restrict eligibility to vote in elections for the Board of Trustees of the Office of Hawaiian Affairs to persons of Native Hawaiian descent.

South Carolina v. Katzenbach, 383 U.S. 301 (1966), is a landmark decision of the United States Supreme Court that rejected a challenge from the state of South Carolina to the preclearance provisions of the Voting Rights Act of 1965, which required that some states submit changes in election districts to the attorney general of the United States (at the time, Nicholas Katzenbach). The preclearance provisions were ruled constitutional and the Voting Rights Act of 1965 was enforced in full.

Shelby County v. Holder, 570 U.S. 529 (2013), is a landmark decision of the Supreme Court of the United States regarding the constitutionality of two provisions of the Voting Rights Act of 1965: Section 5, which requires certain states and local governments to obtain federal preclearance before implementing any changes to their voting laws or practices; and subsection (b) of Section 4, which contains the coverage formula that determines which jurisdictions are subject to preclearance based on their histories of racial discrimination in voting. On June 25, 2013, the Court ruled by a 5 to 4…