21st Anti-Tank Regiment, Royal Canadian Artillery

Early History and Organization.—The Regiment originated as an artillery unit on 1st July, 1936, when the Headquarters and the 97th (Bruce), 98th (Bruce) and 99th Field Batteries of 21st Field Brigade, R.C.A., were organized from The Wellington Regiment and The Bruce Regiment. These Regiments were originally organ-ized on 14th September, 1866, as the 30th Battalion of Wellington Rifles and the 32nd Bruce Battalion of Infantry respectively, and became the 30th Regiment "Wellington Rifles" and the 32nd Bruce Regiment on 8th May, 1900. They were reorganized and redesignated The Wellington Regiment and The Bruce Regiment in 1920. On 15th December, 1936, a fourth battery, the 100th Field Battery, was organized, and on 15th May, 1943, the unit was redesignated 21st Field Regiment. The present title was adopted upon reorganization and conversion to an anti-tank role on 1st April, 1946.
      The four batteries served in four different units during the Second World War. The 97th was mobilized on 1st September, 1939, as a sub-unit of the 5th Army Field Brigade, an Army Troops unit later designated 21st Army Field Regiment and disbanded in the United Kingdom on 21st November, 1943. The 98th (Bruce) Battery was mobilized on 24th May, 1940, as the 98th (Bruce) Anti-Tank Battery, a sub-unit of the 4th Anti-Tank Regiment, 5th Canadian Armoured Division, with which it served in Italy and North-West Europe. It was disbanded on 28th November, 1945. The 99th Field Battery was mobilized on 29th July, 1941, and served with the 19th Army Field Regiment in North-West Europe from 0 Day to VE Day. It was disbanded on 16th November, 1945. The 100th Field Battery was mobilized on 1st September, 1939, was converted and redesignated 100th Light Anti-Aircraft Battery, a sub-unit of the 4th Light Anti-Aircraft Regiment, 3rd Canadian Infantry Division, with which it served in North-West Europe. It was disbanded on 13th November, 1945.
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