Steamboat Rock’s first Legion post was organized shortly after World War I. The post was named for Charles E. Hoover, who was born near Steamboat Rock on November 8, 1894, and died of flu related pneumonia while serving with the army of occupation in Germany on February 19,1919. His body was brought to the U.S. in October of the following year and was buried in the Steamboat Rock Cemetery.
The Charles E. Hoover Post charter was canceled in January of 1928. An auxiliary had been formed in 1919, but it to was disbanded in 1928.