Drummond Island, Kingsmill Group. A naval party landed to avenge the murder of a seaman by the natives.
Samoa. February 24. A naval party landed and burned towns after the murder of an American seaman on Upolu Island.
Mexico. Commodore T.A.C. Jones, in command of a squadron long cruising off California, occupied Monterey, Calif., on October 19, believing war had come. He discovered peace, withdrew, and saluted. A similar incident occurred a week later at San Diego.
China. Sailors and marines from the St. Louis were landed after a clash between Americans and Chinese at the trading post in Canton.
Africa. November 29 to December 16. Four United States vessels demonstrated and landed various parties (one of 200 marines and sailors) to discourage piracy and the slave trade along the Ivory coast, and to punish attacks by the natives on American seamen and shipping.
Mexico. President Tyler deployed U.S. forces to protect Texas against Mexico, pending Senate approval of a treaty of annexation. (Later rejected.) He defended his action against a Senate resolution of inquiry.
Mexican War. On May 13, 1846, the United States recognized the existence of a state of war with Mexico. After the annexation of Texas in 1845, the United States and Mexico failed to resolve a boundary dispute and President Polk said that it was necessary to deploy forces in Mexico to meet a threatened invasion.
Smyrna. In July a naval force gained release of an American seized by Austrian officials.
Turkey. After a massacre of foreigners (including Americans) at Jaffa in January, a demonstration by the Mediterranean Squadron was ordered along the Turkish (Levant) coast.
Johanns Island (east of A rica). August. Forces from the U.S. sloop of war Dale exacted redress for the unlawful imprisonment of the captain of an American whaling brig.
Argentina. February 3 to 12, 1852; September 17, 1852 to April 1853. Marines were landed and maintained in Buenos Aires to protect American interests during a revolution.
Nicaragua. March 11 to 13. U.S. forces landed to protect American lives and interests during political disturbances.
Japan. Commodore Perry and his naval expedition made a display of force leading to the “opening of Japan.”
Ryukyu and Bonin Islands. Commodore Perry on three visits before going to Japan and while waiting for a reply from Japan made a naval demonstration, landing marines twice, and secured a coaling concession from the ruler of Naha on Okinawa; he also demonstrated in the Bonin Islands with the purpose of securing facilities for commerce.
China. April 4 to June 15 to 17. American and English ships landed forces to protect American interests in and near Shanghai during Chinese civil strife.
Nicaragua. July 9 to 15. Naval forces bombarded and burned San Juan del Norte (Greytown) to avenge an insult to the American Minister to Nicaragua.
China. May 19 to 21. U.S. forces protected American interests in Shanghai and, from August 3 to 5 fought pirates near Hong Kong.
Fiji Islands. September 12 to November 4. An American naval force landed to seek reparations for depredations on American residents and seamen.
Uruguay. November 25 to 29. United States and European naval forces landed to protect American interests during an attempted revolution in Montevideo.
Instances of Use of United States Armed Forces Abroad, 1798-2010
Congressional Research Service