Indians and their allies, while the action in the west was occurring. By the close of the Leschi War, the 4th Infantry included in its present and past roster of officers such as Robert C. Buchanan, Christopher C. Augur, Alden, William Wallace Smith Bliss, Ulysses S. Grant, Philip Sheridan, Henry M. Judah, DeLancey Floyd-Jones, R.N. Scott, Lewis Cass Hunt, Granville O. Haller, Henry C. Hodges, Waller, David Allen Russell, Henry Prince, Benjamin Alvord, August Kautz, Robert Macfeely and George Crook. Many of these officers would later serve in the American Civil War. In 1859, General William S. Harney ordered the occupation of San Juan Island as part of the territory of the United States. Three companies of the Fourth Infantry and one of the Ninth, under the command of Captain George Pickett, did the occupying. The British commander had under his command five men-of-war with 167 guns, and 2,000 sailors and marines. The British invited an officer of the Fourth to an official party of courtesy aboard the flagship. The American made a remark concerning a battle in the ongoing Second Italian War of Independence. It was September 1859; Magenta had been fought 4 June. The British, thus believed the Americans had more current information. With the memory of Pakenham's losses at New Orleans (in a battle fought after the war was ended) fresh in their minds, the British decided to wait. As it happened, the English commander was really the best informed man on the scene, as was proved by the subsequent arrival of General Winfield Scott with orders which vetoed General Harney's decision. The San Juan troops were quietly withdrawn, without bloodshed. This incident in Puget Sound is called the Pig War. Civil War In 1861 with the secession of a number of Southern states to form the new Confederate States of America, the regiment moved from its dispersed posts in the Department of the Pacific to Southern California to suppress any secessionist uprising. Charged with the supervision of Los Angeles, San Bernardino, San Diego, and Santa Barbara Counties, on 14 August 1861, Major William Scott Ketchum made a rapid march on 26 August and encamped near San Bernardino, California, with Companies D and G, later reinforced at the beginning of September by a detachment of ninety First U.S. Dragoons and a howitzer. Except for frequent sniping at his camp, this move stifled a secessionist uprising and prevented