20th Infantry Division (United States)

20th Infantry Division
Active	1917–19
Country	United States
Branch	United States Army
Type	Infantry
Size	Division
Engagements	World War I

There have been two 20th Divisions in the history of the United States Army.

In early 1917, the 20th Division was established as a National Guard formation consisting of units of the Idaho, Montana, Oregon, Washington, and Wyoming Army National Guards. On 1 April 1917, the division was activated for federal service as the 41st Division.

In October 1918, another 20th Division was organized. This was a regular army and national army division intended for service in World War I. Since the war ended one month later, the 20th Division did not go overseas. It was demobilized in February 1919 at Camp Sevier, South Carolina. Its composition included the 39th Infantry Brigade (48th and 89th Infantry Regiments) and the 40th Infantry Brigade (50th, 90th Infantry Regiments), plus the 58th Artillery Regiment. (McGrath, The Brigade, p. 167)

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