42nd Regiment, 42nd Infantry Regiment or 42nd Armoured Regiment may refer to:

United Kingdom

42nd Regiment of Foot The 42nd (Royal Highland) Regiment of Foot was a Scottish infantry regiment in the British Army also known as the Black Watch. Originally titled Crawford's Highlanders or the Highland Regiment and numbered 43rd in the line, in 1748, on the disband ...

, a unit of the British Army up to 1881, known as the "Black Watch" *

42 Engineer Regiment (Geographic) 42 Engineer Regiment (Geographic) is a Royal Engineers regiment of the British Army. The regiment, formed originally in 1947, provides field deployable geographic services, including geodetic survey, terrain analysis, information management and di ...

, a unit of the British Army Royal Engineers *

42nd Royal Tank Regiment The 42nd Royal Tank Regiment (42 RTR) was an armoured regiment of the British Army from 1938 until 1956. It was part of the Royal Tank Regiment, itself part of the Royal Armoured Corps. Mobilisation The unit was formed on 1 November 1938 by c ...

, a World War II armoured unit of the British Army *

42nd Deoli Regiment The 42nd Deoli Regiment was an infantry regiment of the British Indian Army. The regiment traced their origins to 1857, when the Meena Battalion was raised during the Indian Mutiny. This battalion was the nucleus for the infantry of the Deoli Irre ...

, an infantry regiment of the British Indian Army

United States

42nd Infantry Regiment (United States) The 42nd Infantry Regiment is an inactive infantry regiment in the United States Army. History Lineage Constituted 15 May 1917 in the Regular Army as the 42nd Infantry. Organized 24 June 1917 at Fort Douglas, Utah from personnel of the 20th ...

, a unit of the US Army

American Civil War regiments

Union (northern) Army

42nd Illinois Volunteer Infantry Regiment The 42nd Regiment Illinois Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It is one of th300 fighting regiments Overview The 42nd Illinois Infantry was organized at Chicago, Illinois and ...

42nd Indiana Infantry Regiment The 42nd Regiment Indiana Infantry was an infantry regiment that served in the Union Army during the American Civil War. Service The 42nd Indiana Infantry was organized at Evansville, Indiana and mustered in for a three-year enlistment on October ...

42nd Kentucky Infantry Regiment The 42nd Kentucky Infantry Regiment was an infantry regiment Infantry is a military specialization which engages in ground combat on foot. Infantry generally consists of light infantry, mountain infantry, motorized infantry & mechanized ...

42nd New York Volunteer Infantry Regiment The 42nd New York Infantry Regiment, also called the Tammany Regiment, was a regiment of the Union Army during the American Civil War which was formed up in mid-1861 and mustered in on June 22, 1861. It was organized by the Tammany Club, a New ...

42nd Ohio Infantry Regiment The 42nd Ohio Infantry Regiment was an infantry regiment in the Union Army during the American Civil War. Service The 42nd Ohio Infantry Regiment was organized at Camp Chase in Columbus, Ohio September through November 1861 and mustered in for th ...

* 42nd United States Colored Infantry Regiment *

42nd Wisconsin Volunteer Infantry Regiment The 42nd Wisconsin Infantry Regiment was a volunteer infantry regiment that served in the Union Army during the American Civil War. Service The 42nd Wisconsin was organized at Milwaukee, Wisconsin, and mustered into Federal service on Sept ...

Confederate (southern) Army

* 42nd Arkansas Cavalry Regiment * 42nd Mississippi Infantry Regiment * 42nd Virginia Infantry Regiment

Other nations

* 42nd Infantry Regiment (Poland), a unit of the Polish Armed Forces of the

Second Polish Republic The Second Polish Republic, at the time officially known as the Republic of Poland, was a country in Central Europe, Central and Eastern Europe that existed between 1918 and 1939. The state was established on 6 November 1918, before the end of ...

42nd Armoured Regiment (India) 42nd Armoured Regiment is an armoured regiment of the Indian Army Armoured Corps of the Indian Army. Formation The current regiment was raised with an "all India class" composition at Babina on 1 January 1981 by Lieutenant Colonel (later Brigadie ...

, a unit of the Union of the Indian Army *

42nd Bomber Aviation Regiment 4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is the smallest semiprime and composite number, and is considered unlucky in many East Asian cultures. In mathematics Four is the smallest co ...

, an aviation unit of the Yugoslav Air Force *

42nd Field Artillery Regiment (Lanark and Renfrew Scottish), RCA The 42nd Field Artillery Regiment (Lanark and Renfrew Scottish), RCA is a Canadian Army Reserve artillery regiment based in Pembroke, Ontario. It is part of the 4th Canadian Division's 33 Canadian Brigade Group. It was initially converted from ...

, a unit of the Canadian Army *

42nd Infantry Regiment (France) 42nd Infantry Regiment (''42e régiment d’infanterie'' or ''42e RI'') was an infantry regiment of the French Army, raised in 1635 as the 'Régiment de Calvisson'. It was renamed the 1638 : 'Régiment de Montpezat' in 1638 and the 'Régiment du ...