Voting Rights History By SylviaJ Feb 26, 1869 15th Amendment African Americans get the right to vote. National Archives Jun 4, 1919 19th Amendment Women get the right to vote. National Archives Jun 2, 1924 Indian Citizenship Act American Indians get US citizenship. National Library of Medicine.gov Jan 23, 1964 24th Amendment It abolished the poll tax. National Archives Jun 15, 1964 Freedom Summer It increased the number of black voters in Mississippi. History.com Jul 1, 1971 26th Amendment 18 year olds get the right to vote. National Archives Jul 6, 1990 Americans with Disabilities Act It stops discrimination against people with disabilities. U.S. Department of Labor.gov