Volume 3, Part 1: Armour, Artillery and Field Engineer Regiments - Artillery Regiments and Batteries


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This Reserve Force regiment originated in Toronto, Ontario on 15 March 1931, when the '4th Medium Brigade, CA' was authorized to be formed.1 It was redesignated: '4th Medium Brigade, RCA' on 3 June 1935;2 '4th (Reserve) Medium Brigade, RCA' on 7 November 1940;3 '42nd (Reserve) Field Regiment, RCA' on 20 May 1942;4 '42nd (Reserve) Anti-Aircraft Regiment, RCA' on 15 February 1944;5 '42nd Medium Regiment, RCA' on 1 April 1946;6 and '42nd Medium Artillery Regiment, RCA' on 12 April 1960.7 It was reduced to nil strength and transferred to the Supplementary Order of Battle on 18 February 1965.8

The 4th Medium Brigade, CA was authorized a Reserve order of battle counterpart on 15 March 1931 (GO 186/20). The reserve unit was disbanded on 14 December 1936 (GO 3/37).

Headquarters Location

Toronto, Ontario



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1. GO 40/31.

2. GO 58/35.

3. GO 273/40.

4. GO 265/42 and/et GO 156/44.

5. GO 156/44.

6. GO 115/46.

7. CAO 76-3, Pt 'B', Supp Issue No. 670/60.

8. SD 1 Letter No 64/62;and/et Message, CENCOM, A 2989, 012015Z Nov 65.

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