joined in 1943. Royal Canadian Army Medical Corps No. 4 Canadian Field Ambulance No. 5 Canadian Field Ambulance No. 9 Canadian Field Ambulance No. 2 Canadian Field Hygiene Section No. 2 Canadian Light Field Ambulance – originally a part of 1st Canadian Armoured Brigade, joined in 1943. Royal Canadian Ordnance Corps 1st Canadian Infantry Divisional Ordnance Field Park 1st Canadian Mobile Laundry and Bath Unit No. 1 Army Tank Brigade Sub-Park – originally a part of 1st Canadian Armoured Brigade, joined in 1943. 1st Tank Brigade Workshop – originally a part of 1st Canadian Armoured Brigade, joined in 1943. Royal Canadian Electrical and Mechanical Engineers 1st Canadian Infantry Brigade Workshop 2nd Canadian Infantry Brigade Workshop 3rd Canadian Infantry Brigade Workshop No. 1 Infantry Troops Workshop Royal Canadian Army Pay Corps 1st Canadian Field Cash Office Royal Canadian Postal Corps 1 Canadian Infantry Division Postal Unit Royal Canadian Dental Corps 1st Canadian Dental Company Canadian Provost Corps No. 1 Provost Company In July 1944, the divisional reconnaissance battalion, the 4th Princess Louise Dragoon Guards, converted to infantry and transferred to the 12th Canadian Infantry Brigade of the 5th Canadian Armoured Division, to be replaced by The Royal Canadian Dragoons. The Princess Louise returned to its original mechanized role in Northwest Europe in March 1945, and The Royal Canadian Dragoons became the armoured car regiment of I Canadian Corps. Commanding Officers Battles Italian Campaign Allied invasion of Sicily Allied invasion of Italy The Moro River Motta Montecorvino Ortona Winter Line Hitler Line Bernhardt Line Gothic Line Rimini Lamone Crossing The Western Front Liberation of the Netherlands Cold War In the post-war reorganization of reserve units, a "Headquarters 1st Infantry Division" (later re-designated "Headquarters 1st Division") was authorized on 1 April 1946. It remained dormant, however, and was formally disbanded on 21 July 1954. In the meantime a new Headquarters 1st Canadian Infantry Division had been authorized as part of the Canadian Army Active Force on 16 October 1953, and this headquarters was established the following December. Thus came into existence the first peacetime regular division in our history. Major-General J.M. Rockingham, CB, CBE, DSO and bar, ED, took command of the 1st Division on 1 September 1954. His Division contained the 1st Canadian Infantry Brigade, stationed in Germany, the 2nd at Edmonton and the 3rd at Valcartier, with normal supporting arms and services. The life of this division was short as on