The 4th Infantry Division was a regular infantry division of the British Army with a very long history, seeing active service in the Peninsular War, the Crimean War, the First World War, and during the Second World War. It was disbanded after the war and reformed in the 1950s as an armoured formation before being disbanded and reformed again and finally disbanded on 1 January 2012.
The 5th Infantry Division was a regular army infantry division of the British Army. It was established by Arthur Wellesley, 1st Duke of Wellington for service in the Peninsular War, as part of the Anglo-Portuguese Army, and was active for most of the period since, including the First World War and the Second World War and was disbanded soon after. The division was reformed in 1995 as an administrative division covering Wales and the English regions of West Midlands, East Midlands and East. Its headquarters were in Shrewsbury. It was disbanded on 1 April 2012.
The 8th Infantry Division was an infantry division of the British Army that was active in both the First and Second World Wars. The division was first formed in October 1914 during the First World War, initially consisting mainly of soldiers of the Regular Army and served on the Western Front throughout the war, sustaining many casualties, before disbandment in 1919. The division was reactivated in Palestine, under the command of Major-General Bernard Montgomery, in the late 1930s in the years running up to the Second World War before being disbanded in late February 1940. It was briefly reformed in Syria in an administrative role during 1942-3.
The Royal Fusiliers (City of London Regiment) was a line infantry regiment of the British Army in continuous existence for 283 years. It was known as the 7th Regiment of Foot until the Childers Reforms of 1881.
The 14th Infantry Brigade was a British Army formation during both the First World War and the Second World War.
The 16th Infantry Brigade was an infantry brigade of the British Army that saw active service during the Second Boer War and the First and Second World Wars.
The 15th Infantry Brigade, later 15 Brigade, was an infantry brigade of the British Army. It was part of the regular 5th Infantry Division during the First World War and Second World War, and was subsequently part of the 2nd Infantry Division in the north of the United Kingdom, with specific responsibility for the areas of North East England and Yorkshire and the Humber.
The 17th Infantry Brigade was an infantry brigade formation of the British Army which provided active service in the Second Boer War and both the First and Second World Wars. It was mainly composed of Regular Army battalions.
The 18th Infantry Brigade was an infantry brigade of the British Army that saw active service during the First and the Second World Wars.
The 167th Brigade was an infantry formation of the British Territorial Army that saw active service in both the First and Second World Wars. It was the first Territorial formation to go overseas in 1914, garrisoned Malta, and then served with the 56th (London) Infantry Division on the Western Front. In the Second World War, it fought in the North African and Italian campaigns in the Second World War.
The 12th Armoured Brigade Combat team, formerly the 12th Armoured Infantry Brigade, is a regular brigade of the British Army which has been in almost continuous existence since 1899 and now forms part of 3rd Division.
The 10th Infantry Brigade was a Regular Army infantry brigade of the British Army. During the First and the Second World Wars, the brigade was part of the 4th Infantry Division.
The 29th Infantry Brigade was an infantry brigade unit of the British Army. It was originally raised in 1914 and saw service during the First and Second World Wars and the Korean War.
The 8th Infantry Brigade was an infantry brigade of the British Army that saw active service in both the First and the Second World Wars, before being disbanded and reactivated in the 1960s. The brigade was finally being disbanded in 2006. It was formed before the First World War as part of the 3rd Division. As part of that division it spent the entire war on the Western Front from 1914 to 1918 in the First World War. The brigade was also active during the Second World War.
The 6th Infantry Brigade was a regular infantry brigade of the British Army that was in existence during the Second Boer War, the First World War and the Second World War and later formed part of British Army of the Rhine.
The 168th Brigade was an infantry brigade formation of the British Army that saw service during both the First and the Second World Wars. Throughout its existence, serving under many different titles and designations, the brigade was an integral part of the 56th (London) Infantry Division. It served on the Western Front during First World War and in the Italian Campaign during the Second World War. It was finally disbanded in the 1960s.
The 9th Infantry Brigade was a Regular Army infantry brigade of the British Army that saw active service during both the First and Second World Wars.
The 158th Infantry Brigade was an infantry brigade of the British Army that served in both the First and Second World Wars, before being disbanded in 1968. Throughout its existence the brigade was assigned to the 53rd (Welsh) Infantry Division and was composed almost entirely of Territorial battalions from the Royal Welch Fusiliers.
The 31st Infantry Brigade was an infantry formation of the British Army, which participated in both the First and the Second World Wars. The brigade was later reformed after the end of the war serving in the British Army of the Rhine until the end of National Service in 1956, which saw the reorganisation of the brigade as the 11th Infantry Brigade.
The 144th Infantry Brigade was an infantry brigade of the British Army that saw active service in the First World War and again in the early stages of the Second World War before being reduced to a reserve brigade and remained in the United Kingdom for the rest of the war. In both world wars the brigade served with 48th Division.
United Kingdom 
British Army 
