EnlargeDownload Link Citation: An act to enforce the fifteenth amendment to the Constitution of the United States and for other purposes, August 6, 1965; Enrolled Acts and Resolutions of Congress, 1789-; General Records of the United States Government; Record Group 11; National Archives View All Pages in the National Archives Catalog View Transcript This act was signed into law on August 6, 1965, by President Lyndon Johnson. It outlawed the discriminatory voting practices adopted in many sout...