On 6 August 1914, less than 48 hours after Britain's declaration of war, Parliament sanctioned an increase of 500,000 men for the Regular British Army.

The newly-appointed Secretary of State for War, Earl Kitchener of Khartoum, issued his famous call to arms: 'Your King and Country Need You', urging the first 100,000 volunteers to come forward.

[3][4] The brigade was composed as follows:[3][4] Following massive casualties during the German spring offensive all infantry battalions of 14th (L) Division were reduced to training cadres (TCs) in April.

[3] The following officers commanded the brigade:[3] The formation sign of 14th (L) Division was a light infantry green rectangle crossed by two white lines, one horizontal the other diagonal.

[8] Within the division the units wore a variety of identifying signs; for 43rd Bde these were:[9] The brigade was reformed in Britain on 16 August 1943, for Lines of Communication and security force duties in North Africa.

The Brigade assisted with recruiting and public relations in its area, which encompassed Bristol, Cornwall, Devon, Dorset, Gloucestershire, Somerset, Wiltshire, the Channel Islands and Isles of Scilly.

[12] In 1995 the restructuring programme within the British Army saw an increase in the brigade's responsibility to include regional and budgetary aspects working to a new superior headquarters: 3rd Division.