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National Navajo Code Talker Day, celebrated on Aug. 14, recognizes Code Talkers' service during WWII.
Over 400 Navajo Code Talkers participated in the war, using an encrypted code made from the Navajo language.
Other tribes and nations also had code talkers that served in both world wars.
Aug. 14 is National Navajo Code Talker Day, an annual celebration recognizing the Code Talkers who served with the U.S. Marine Corps in the Pacific theater during World War II.
The designation was created by President Ronald Reagan in 1982 and, this year, it falls on the 80th anniversary of Japan’s initial surrender in World War II.
In honor of Navajo Code Talker Day, a new monument was unveiled in Utah. Here’s a look at what the Code Talkers did for the U.S. military during World War II.