The 1971 lottery draw.  Each birthdate was a number by the draw.

 

In 1971, the Twenty-sixth Amendment was ratified.  Society was upset with the Vietnam War.  Young men faced a draft into the military. With this background, the voting age was lowered to the draft age.  It’s text is below.  Read more >>>

Section 1

The right of citizens of the United States, who are eighteen years of age or older, to vote shall not be denied or abridged by the United States or by any State on account of age.

Section 2

The Congress shall have power to enforce this article by appropriate legislation.