Robley Henry Rex (May 2, 1901 – April 28, 2009) was a World War I-era veteran and was, at the age of 107, one of two remaining U.S. veterans related to the First World War. Rex was born in Hopkinsville, Kentucky and enlisted in the military in May, 1919, six months after the Armistice date. He was the last Kentucky World War I era veteran, and the last known World War I era veteran of the United States. He served in the Intelligence Unit. Rex met his future wife Gracie at Louisville's Camp Taylor before he was sent to Europe. They married in 1922 but never had children. She died in 1992.