High Quality Content by WIKIPEDIA articles! The 5th Infantry Division was a regular army division of the British Army. It was established by Arthur Wellesley, 1st Duke of Wellington for service in the Peninsula 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. 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.