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  The Constitutuion of the United States was passed
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  Last religious prerequisite for voting is eliminated.
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  Property ownership and tax requirements eliminated by 1850. Almost all adult white males could vote.
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  The 15th amendment prohibits the restriction of voting rights “on account of race, color, or previous condition of servitude.”
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  The 19th Amendment guarantees women's suffrage.
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  The 23rd Amendment allows voters of the District of Columbia to participate in presidential elections.
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  The 24th Amendment bans the poll tax as a requirement for voting in federal elections.
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  Dr. Martin Luther King, Jr., mounts a voter registration drive in Selma, Alabama, to draw national attention to African-American voting rights.
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  The 26th amendment sets the minimum voting age at 18.