26th Amendment J-Lo By Sullivna Jan 7, 1954 State of the Union address the Amendment Mar 10, 1971 The Senate Votes in favor of the Amendment Mar 23, 1971 House Votes in favor of the Amendment May 10, 1971 Connecticut, Delaware, Minnesota, Tennessee, and Washington were the first 5 states to ratify the Amendment Jul 1, 1971 North Carolina is that last state that ratifies the Amendment before it's passed. Jul 7, 1971 It officially becomes an Amendment Oct 4, 1971 Georgia, Oklahoma, Virginia, and Wyoming ratify the amendment after it was passed Nov 7, 1972 The 1972 election takes place with 55% of 18-22 year olds voting.