<Tr> <Th_colspan="2"> United States Supreme Court cases </Th> </Tr> <Tr> <Td_colspan="2"> South Carolina v. Katzenbach (1966) Katzenbach v. Morgan (1966) Allen v. State Board of Elections (1969) Oregon v. Mitchell (1970) Beer v. United States (1976) City of Rome v. United States (1980) City of Mobile v. Bolden (1980) Thornburg v. Gingles (1986) Growe v. Emison (1993) Voinovich v. Quilter (1993) Shaw v. Reno (1993) Holder v. Hall (1994) Johnson v. De Grandy (1994) Miller v. Johnson (1995) Bush v. Vera (1996) Lopez v. Monterey County (1999) Reno v. Bossier Parish School Board (2000) Georgia v. Ashcroft (2003) League of United Latin American Citizens v. Perry (2006) Bartlett v. Strickland (2009) Northwest Austin Municipal Utility District No. 1 v. Holder (2009) Shelby County v. Holder (2013) </Td> </Tr> <P> The Voting Rights Act of 1965 is a landmark piece of federal legislation in the United States that prohibits racial discrimination in voting . It was signed into law by President Lyndon B. Johnson during the height of the Civil Rights Movement on August 6, 1965, and Congress later amended the Act five times to expand its protections . Designed to enforce the voting rights guaranteed by the Fourteenth and Fifteenth Amendments to the United States Constitution, the Act secured the right to vote for racial minorities throughout the country, especially in the South . According to the U.S. Department of Justice, the Act is considered to be the most effective piece of federal civil rights legislation ever enacted in the country . </P> <P> The Act contains numerous provisions that regulate elections . The Act's "general provisions" provide nationwide protections for voting rights . Section 2 is a general provision that prohibits every state and local government from imposing any voting law that results in discrimination against racial or language minorities . Other general provisions specifically outlaw literacy tests and similar devices that were historically used to disenfranchise racial minorities . </P>

When did the voting rights act of 1965 happen