Native American Heritage Month
In 1990, President George H. W. Bush approved a joint resolution designating November 1990 "National American Indian Heritage Month." Similar proclamations have been issued each year since 1994.
Selected library resources:
Navajo Code Talkers
From U.S. Navy Navajo Code Talkers Fact Sheet:
"At Iwo Jima, Major Howard Connor, 5th Marine Division signal officer, declared, "Were it not for the Navajos, the Marines would never have taken Iwo Jima.'"