British Army Regimental Stories – The Royal Tank Regiment September 25, 2019 Unipro2013main Battle Tanks, British Armed Forces, British Army The Royal Tank Regiment The Royal Tank Regiment is the oldest tank unit in the world, being formed by the British Army in 1916 during the Great War. Today, it is the armoured regiment of the British Army’s 1st Armoured Infantry Brigade. Formerly known as the Tank Corps and the Royal Tank Corps, it is part of the Royal Armoured Corps. Credit to : AllWarDocumentaries Please support our Sponsors -