The second[2][3] 11th U.S. regiment of infantry was organized on 11 January 1812 when the Congress authorized a strengthening of the Regular Army in preparation for the threatening conflict that became known as the War of 1812.

Early in the morning of 20 November, a detachment of Dearborn's army forded the La Colle river and surrounded a British guard-house, which was occupied by Canadian militia and a few Indians, who broke through the American lines and escaped unhurt.

The troops immediately afterwards returned to Champlain, and on 23 November to Plattsburgh, when the militia were disbanded, and the 11th U.S. regiment was sent to Burlington, with the 9th, 21st, and 25th, all under the command of Brig.

[4] 13 May 1813, five hundred men from the 11th Infantry regiment, being the first battalion, were ordered to Sackett's Harbor, and on 31 May left Burlington under the command of Lieut.

[9] On 14 May 1861, President Abraham Lincoln issued an executive order, directing an increase of the regimental organizations of the Regular Army.

On 10 June 1871, a few days after its arrival at Mountain Pass, the Eleventh Infantry detachment was attacked by a war party of about seventy-five Comanches and Kiowas.

[20] 5 August 1872, Private Franklin M. McDonald, Company G, Eleventh Infantry, escorted a mail coach from Jacksboro, Texas, to Fort Griffin.

[20] 20 July 1874, in Palo Pinto County, Texas, a detachment of two officers, nine men and nine Tonkawa scouts, under command of Lieutenant Colonel G. P. Buell, Eleventh Infantry, attacked a war party of Indians and captured one horse.

28 September 1874, Company H, Eleventh Infantry, in the same column attacked a camp of Comanche, Kiowa, and Southern Cheyenne in the Battle of Palo Duro Canyon under Colonel Mackenzie.

Pursuit was made for a considerable distance, the main column destroying several hundred lodges in various abandoned camps, but the Indians escaped northward.

[20] 8 November 1874, Troops B, C, F, and H, Tenth Cavalry, detachments Companies E and I, Eleventh Infantry, and thirty Indian scouts, all under command of Capt.

C. D. Viele, Tenth Cavalry, were detached from Colonel Davidson's column near McClellan Creek, Texas, to pursue the band attacked by Lieutenant Baldwin the same day.

[29] 12 October 1880, Camp Poplar River, Mont., established, Companies B and F, Eleventh Infantry, from Fort Custer, arriving this day and taking station.

[30] 18 October 1880, Camp Porter, Mont., on the right bank of the Yellowstone, about 3 miles above the mouth of Glendive Creek, was established by Company A, Eleventh Infantry, from Fort Sully, and Company B, Seventeenth Infantry, from Fort Yates, as a winter camp for troops guarding working parties and material on the Northern Pacific Railroad.

May 1883, Department of Dakota annual marksmanship competition at headquarters Fort Snelling, Minnesota, Eleventh Infantry had the best overall scores in the entire Army taking home two medals.

17 April 1887, Company E, Eleventh Infantry, Captain Myer, Eleventh Infantry, commanding, left Fort Sully for Crow Creek Agency, pursuant to War Department order, to aid the agent in removing intruders from the Sioux or Crow Creek and Winnebago reservations, Dakota, under a proclamation by the President of 21 August 1885, declaring inoperative executive order of 27 February 1885, opening certain portions of said reservations to settlement.

[41][42] In July 1887, the regiment left the Department of Dakota for service in the Division of the Atlantic, where it was stationed in the Lake Regions with headquarters and Companies A, D, G and H at Madison Barracks,[43] Sackets Harbor, New York.

The Eleventh Infantry left Jefferson Barracks, Missouri, 19 April 1898, then to a training camp near Mobile, Alabama, via Chickamauga, and on to Tampa, Florida arriving 7 June, for transport to Puerto Rico aboard the steamship Mohawk.

[46] During The Spanish–American War, the Eleventh Infantry saw action under Brigadier General Theodore Schwan in the Battle of Silva Heights in the Puerto Rican Campaign.

The following officers received distinguished mention in General Schwan's reports, for service rendered under fire during the campaign in western Puerto Rico: Movements of troops from and to extraterritorial stations from November–December 1900.

The Eleventh Infantry Regiment and the U.S. Marines led by Major Littleton Waller were quickly dispatched to Balangiga with orders from Brigadier General Jacob Smith.

Sir: I have the honor to report that a hunting party of 1 sergeant and 7 privates, Company E, Eleventh Infantry, while on the road to Malabang and about 1½ miles from camp, 31 August 1902, were ambuscaded by a force of hostile Moros.

The body of Private Branson was found frightfully mutilated, and the ground gave indication of a large party lying in ambuscade.

Company E, Eleventh Infantry, in securing their wounded comrades and their arms under the very muzzles of Moros, who outnumbered them at least 10 to 1, and after their party had virtually lost 50 per cent of its strength, was exceedingly courageous and meritorious.

The troops sent against the hostile Moros of Taraca Valley, Mindanao, returned to their station, having defeated and scattered large numbers of the enemy and destroyed their forts.

1 May 1906.—In connection with the 1906 earthquake relief service, the Eleventh Infantry (less headquarters of the Third Battalion and Companies I and M) left Fort D. A. Russell for temporary duty at San Francisco, and returned to the post 9 June.

Company I served as honor guard to President Franklin D. Roosevelt during his visit to the Great Lakes Exposition at Cleveland, Ohio, in August 1936.

The regiment landed in Normandy on 10 July 1944 and fought its way across France as part of the 5th Infantry Division, which was assigned to General Patton's famed Third Army.

In July 1968, the 11th deployed for action in Vietnam and operated in Cam Lộ, Đông Hà, Quảng Trị, and Khe Sanh.

Description: A silver color metal and enamel device 1+1⁄8 inches (2.9 cm) tall overall consisting of a shield blazoned: Azure, Satanta's arrow in fess Argent between in chief a castle Or in base a kampilan and bolo in saltire of the second hilted of the third.