Albert Sidney Johnston
（重定向自Johnston, Albert Sidney）
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![Brig. Gen. Albert S. Johnston as commander, Department of Utah. Portrait taken by Samuel C. Mills at Camp Floyd, Utah Territory, winter of 1858–59. Courtesy National Archives.](/Images/godic/202501/21/AlbertSJohnston4731.jpg")
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![Monument to Johnston at Shiloh National Military Park.](/Images/godic/202501/21/Johnston_Shiloh_Monument4731.jpg")
Albert Sidney Johnston (February 2, 1803 – April 6, 1862) served as a general in three different armies: the Texian (i.e., Republic of Texas) Army, the United States Army, and the Confederate States Army. He saw extensive combat during his military career, fighting actions in the Texas War of Independence, the Mexican–American War, the Utah War, and the American Civil War.