Go here to view a slide show on the evolution of Paricutin prepared by Scott Rowland. Sources of Information: Foshag, W.F., and Gonzalez-Reyna, J., 1956, Birth and development of Paricutin volcano: U.S. Geological Survey Bulletin 965-D, p. 355-489.
In 1971, the Twenty-sixth Amendment set the legal voting age at 18 for both US federal and state elections.
Confidence votes 271. On July 1, 1971, when the 26th Amendment was ratified, it became impermissible for states to deny citizens eighteen years of age or older the right to vote. However, Georgia (in 1943) and Kentucky (in 1955) had previously lowered the minimum voting age to 18.