43rd (Wessex) Infantry Division

43rd (Wessex) Infantry Division
Original: Imperial War Museum, INS 5388 Vector: Mliu92 · Public domain · source
Unit name	43rd (Wessex) Infantry Division
Caption	Divisional sign used during the Second World War
Dates	1908–1967
Country	United Kingdom
Branch	Territorial Force; Territorial Army
Type	Infantry
Role	Infantry division
Size	Division
Command structure	Home Forces; Second Army; I Corps
Garrison	Bath; Exeter
Notable commanders	Brigadier Richard O'Connor; Major-General Ivor Thomas; Major-General Gerard Bucknall; Major-General Ivor Hughes

43rd (Wessex) Infantry Division The 43rd (Wessex) Infantry Division was a British Territorial infantry formation raised in the early 20th century, associated with counties of the West Country including Somerset, Devon, Dorset and Wiltshire. It served on home defence and expeditionary duties between the World Wars, fought in the Northwest Europe campaign following the Allied invasion of Normandy in 1944, and underwent postwar conversion during the Cold War as part of Territorial Army restructuring. The division's operational history links it to formations and campaigns across the British Army, Home Guard, British Expeditionary Force legacies, and postwar NATO arrangements.

Formation and Early History

Raised from Territorial Force reforms under the Haldane Reforms and county volunteer units such as the Somerset Light Infantry, Dorset Regiment, Devonshire Regiment and Wiltshire Regiment, the division traced lineage to preexisting militia and Volunteer units. During the First World War the division's progenitor brigades supplied drafts to Western Front formations such as the BEF and saw personnel transfer into units at battles like Battle of the Somme and Battle of Arras (1917). Interwar Territorial Army reorganisation restored the division's identity amid shifts in British defence policy influenced by figures like Winston Churchill and constraints from the Washington Naval Treaty naval disarmament context. Preceding the Second World War, the division expanded and mobilised under commands aligned with Home Forces for defence against potential invasion after the Norwegian Campaign and fall of France in 1940.

Organisation and Order of Battle

The division's wartime order of battle included three primary infantry brigades—numbered brigades reflecting Territorial affiliations—supplemented by divisional artillery, engineers, reconnaissance, signals and medical units drawn from county regiments and corps. Units within the division included battalions of the Royal Berkshire Regiment, Queen's Own Royal West Kent Regiment, Royal Welch Fusiliers, as well as support from the Royal Artillery, Royal Engineers, Royal Corps of Signals, Royal Army Medical Corps and Royal Army Service Corps. Attached formations during campaigns comprised armoured regiments from the Royal Tank Regiment, anti-tank batteries from the Royal Artillery, and specialist units such as the Reconnaissance Corps and Royal Army Ordnance Corps. Commanders coordinated with corps-level headquarters including I Corps, VIII Corps, and eventually with field armies like Second British Army. The division's structure evolved with innovations such as formation of mixed anti-tank companies, use of Universal Carriers, and integration with Royal Air Force support elements like Tactical Air Force liaison parties.

Second World War Service

Mobilised in 1939, the division initially served on home defence and training duties during the Phoney War before reorganisation after the Battle of Britain and the Dunkirk evacuation. It remained in the United Kingdom as part of defensive planning against Operation Sea Lion and later converted to an assault and breakthrough formation for the Operation Overlord campaign. Landing in Normandy in June and July 1944, the division engaged in operations linked to the Battle of Caen, Operation Jupiter, and the drive across the River Odon and Falaise Pocket. It fought alongside formations such as the 50th (Northumbrian) Infantry Division, 51st (Highland) Division, and elements of the Canadian Army during the Normandy campaign. Advancing through Brittany and crossing the River Seine, the division took part in operations in the Low Countries, including actions near Bruges and counterattacks against German Army Group B. During the Battle of the Bulge period and the Operation Veritable and Operation Plunder offensives, units were temporarily reassigned to support 21st Army Group objectives as Allied forces pushed into Germany. Throughout 1944–45 the division adapted to combined arms tactics used by commanders working with Field Marshal Bernard Montgomery, coordinating with Royal Air Force and Royal Navy gunfire support, and integrating Royal Electrical and Mechanical Engineers maintenance support. Casualties and replacements flowed through depots influenced by policies set by the War Office and Ministry of Defence predecessors.

Postwar Reorganisation and Cold War

After the surrender the division formed part of occupation and demobilisation structures before being reconstituted in the Territorial Army in 1947 amid NATO formation and Cold War tensions. Reorganisation reflected defence reviews such as the 1947 Defence White Paper and later the 1957 Defence White Paper (Sandys Review), with conversion of some infantry battalions to artillery or anti-aircraft roles within the Royal Artillery and integration with British Army of the Rhine. During the 1950s and 1960s the division's units were affected by amalgamations involving regiments like the Devonshire and Dorset Regiment and the Somerset and Cornwall Light Infantry lineage. Territorial Army restructuring in 1967 under the Defence reforms led to disbandment or re-roled formations, with elements incorporated into regional brigades and Volunteer Reserve constructs supporting NATO.

Insignia, Traditions and Legacy

The division's insignia—a stylised wessex wyvern and shoulder flash—echoed regional heritage tied to the Duchy of Cornwall, county symbols like the Somerset County Cricket Club emblem influence, and civic identities from cities such as Bath and Exeter. Traditions included county affiliations maintained through regimental museums like the Dorset County Museum, commemorations at memorials such as the Menin Gate and local war memorials, and annual reunions involving veterans' associations connected to the Royal British Legion and Territorial Army Association. The division's legacy influences modern unit lineages in formations such as the Army Reserve and regional brigades, and is preserved in archival collections at institutions including the Imperial War Museums, The National Archives, and county regimental museums. Its battle honours continue to be commemorated by descendant regiments and in military histories covering campaigns involving figures like Field Marshal Sir Bernard Montgomery, General Dwight D. Eisenhower, Marshal Georgy Zhukov comparisons in grand strategy studies, and scholarship from historians associated with universities such as King's College London, University of Oxford, and University of Cambridge.

Category:Infantry divisions of the British Army Category:Military units and formations of the United Kingdom