Voting Rights By 2040677 Period: 1850 to 2000 Voting Rights 1865 13th Amendment 1869 15th Amendment 1896 Laws to take voting rights away form African Americans 1915 Supreme Court declares Grandfather Clause unconstitutional 1920 19th Amendment 1937 Supreme Court rules that polls are constitutional 1964 24th Amendment 1964 Freedom Summer 1965 Voting Rights Act