Four ships of the United States Navy have been named USS Oregon, in honor of the Oregon Territory or the 33rd state. The first was a brig purchased in 1841 to support the U.S. Exploring Expedition and in commission until 1845. A never-launched monitor previously named and Hercules was also called Oregon before she was broken up in the ways. The third was a battleship that saw action in the Spanish–American War and was in commission from 1896 to 1919. The fourth is a
Confederate States Navy One ship of the Confederate States Navy also bore the name Oregon. See .
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