1949

Formed in Holzminden, Germany as 21 Field Engineer Regiment with 4, 7 and 27 Field Sqns and 45 Field Park Sqn. Oct moved to Hameln.

1950

Hameln, Germany with 4, 7 and 27 Field Sqns and 45 Field Park Sqn. Dec 7 Field Sqn moved to 26 Field Engineer Regiment. 48 Field Squadron formed to replace 7 Field Squadron

1951

Hameln, Germany with 4, 27 and 48 Field Squadrons and 45 Field Park Sqn. Nov moved to Assaye Barracks, Nienburg.

1952 - 1957

Assaye Bks, Nienburg with 4, 27 and 48 Field Squadrons and 45 Field Park Sqn.

1958

Assaye Bks, Nienburg with 4, 27 and 48 Field Squadrons and 45 Field Park Sqn. Disbanded, 4 Field Squadron and 45 Field Park Squadron remained in Germany with 5 Div. 27 Field Squadron transferred to 6 Training Regiment. 48 Field Squadron was disbanded and reformed in 38 Regiment from 62 Field Squadron.

1957

7 Armd Div Engineers formed in Germany.

1958

Germany. 7 Armd Div became 5 Division, regiment renamed 5 Div Engineers with HQ at Verden, 4 Fld Sqn at Fallingbostel (7 Armd Bde), 7 Fld Sqn at Osnabruck (12 Infantry Bde) and 45 Fld Park Sqn at Nienburg.

1959

Germany with HQ at Verden, 4 Fld Sqn at Fallingbostel (7 Armd Bde), 7 Fld Sqn at Osnabruck (12 Inf Bde) and 45 Fld Park Sqn at Nienburg.

1960

Germany with HQ at Verden, 4 Fld Sqn at Fallingbostel (7 Armd Bde), 7 Fld Sqn at Osnabruck (12 Inf Bde) and 45 Fld Park Sqn at Nienburg. July 5 Div became 1 Div. 1 Fld Sqn transferred to 1 Div from 4 Div, remained at Paderborn.

1961

Germany with HQ at Verden, 1 Fld Sqn at Paderborn, 4 Fld Sqn at Fallingbostel (7 Armd Bde), 7 Fld Sqn at Osnabruck (12 Inf Bde) and 45 Fld Park Sqn at Nienburg. Jan 7 Fld Sqn transferred to 2 Div. 26 Armd Engr Sqn at Hohne came under command 1 Div.

1962

Germany with HQ at Verden, 1 Fld Sqn at Paderborn, 4 Fld Sqn at Fallingbostel (7 Armd Bde) and 45 Fld Park Sqn at Nienburg, 26 Armd Engr Sqn at Hohne under command. HQRE 1 Div moved to Assaye Bks, Nienburg. Jan 4 Fld Sqn moved to Nienburg remained under command. 1 Fld Sqn moved to Nienburg remained under command.

1963 - 1964

Assaye Bks, Nienburg with 1 and 4 Fld Sqns and 45 Fld Park Sqn. 26 Armd Engr Sqn at Hohne under command.

1965

Assaye Bks, Nienburg with 1 and 4 Fld Sqns and 45 Fld Park Sqn. 26 Armd Engr Sqn at Hohne under command. Mar 26 Armd Engr Sqn transferred to 32 Armd Engr Regt.

1966 - 1967

Assaye Bks, Nienburg with 1 and 4 Fld Sqns and 45 Fld Park Sqn.

1968

Assaye Bks, Nienburg with 1 and 4 Fld Sqns and 45 Fld Park Sqn. Jan 45 Fld Park Sqn became 45 Fld Sup Sqn.

1969

Assaye Bks, Nienburg with 1 and 4 Fld Sqns and 45 Fld Sup Sqn. April reformed as 21 Engineer Regt.

1969

Reformed in Assaye Bks, Nienburg from 1 Div Engineers with 1 and 4 Field Sqns already in Nienburg

1970

Assaye Bks, Nienburg with 1 and 4 Field Sqns.

1971

Assaye Bks, Nienburg with 1 and 4 Field Sqns. April to July Northern Ireland Tour in infantry role.

1972 - 1973

Assaye Bks, Nienburg with 1 and 4 Field Sqns.

1974

Assaye Bks, Nienburg with 1 and 4 Field Sqns. Dec to March 1975 Northern Ireland Tour in infantry role.

1975

Assaye Bks, Nienburg with 1 and 4 Field Sqns.

1976

Assaye Bks, Nienburg with 1 and 4 Field Sqns. Sept to Dec Northern Ireland Tour in infantry role.

1977

Assaye Bks, Nienburg with 1 and 4 Field Sqns. Sept 7 Field Sqn transferred from 32 Engr Regt.

1978

Assaye Bks, Nienburg with 1, 4 and 7 Field Sqns. April 45 Field Park Sqn transferred from HQ RE 1 Div. April regiment renamed 1 Armoured Division Engineer Regiment.

1978

April formed at Assaye Bks, Nienburg by redesignation of 21 Engineer Regiment with 1, 4 and 7 Field Sqns and 45 Sup Sqn.

1979

Assaye Bks, Nienburg with 1, 4 and 7 Field Sqns and 45 Sup Sqn. Mar to July regiment less 1 Fld Sqn in Northern Ireland.

1980

Assaye Bks, Nienburg with 1, 4 and 7 Field Sqns and 45 Sup Sqn.

1981

Assaye Bks, Nienburg with 1, 4 and 7 Field Sqns and 45 Sup Sqn. Jan renamed 21 Engineer Regiment.

1981

Assaye Bks, Nienburg with 1, 4 and 7 Field Sqns and 45 Sup Sqn. 1 Armoured Division Engineer Regiment renamed 21st Field Regiment RE

1982 - 1993

Assaye Bks, Nienburg with 1, 4 and 7 Field Sqns and 45 Sup Sqn.

1994

Assaye Bks, Nienburg with 1, 4 and 7 Field Sqns and 45 Sup Sqn. 7 Field Sqn became 7 HQ Sqn.

1995

Assaye Bks, Nienburg with 7 HQ, 1 and 4 Field and 45 Sup Sqns.

1996

Assaye Bks, Nienburg with 7 HQ, 1 and 4 Field and 45 Sup Sqns. Jan moved to Quebec Barracks, Osnabruck.

1997 - 1998

Quebec Barracks, Osnabruck with 7 HQ, 1 and 4 Field and 45 Sup Sqns.

1999

Quebec Barracks, Osnabruck with 7 HQ, 1 and 4 Field and 45 Sup Sqns. Late 1 Fld Sqn moved to Roberts Barracks, Osnabruck. 1 Dec 45 Field Sup Squadron moved to 28 Regt in Hameln.

2000

Quebec Bks, Osnabruck with 7 HQ, 1 (Roberts Bks) and 4 Field Sqns. Feb 4 Fld Sqn renamed 4 Armoured Engineer Squadron. April 1 Fld Sqn renamed 1 Armoured Engineer Squadron. Nov 73 Armoured Engineer Squadron reformed in the regt.

2001 - 2002

Quebec Bks, Osnabruck with 7 HQ Sq, 1 (Roberts Bks) AES, 4 AES and 73 AES.

2003

Quebec Bks, Osnabruck with 7 HQ Sq, 1 (Roberts Bks) AES, 4 AES and 73 AES.  Nov deployed to Iraq (Op Telic 5).

2004

Iraq (Op Telic 5). May returned to Quebec Bks, Osnabruck with 7 HQ Sq, 1 (Roberts Bks) AES, 4 AES and 73 AES.

2005 - 2006

Quebec Bks, Osnabruck with 7 HQ Sq, 1 (Roberts Bks) AES, 4 AES and 73 AES.

2007

Quebec Bks, Osnabruck with 7 HQ Sq, 1 (Roberts Bks) AES, 4 AES and 73 AES. Nov deployed to Iraq (Op Telic 11).

2008

Iraq (Op Telic 11). May returned to Quebec Bks, Osnabruck with 7 HQ Sq, 1 (Roberts Bks) AES, 4 AES and 73 AES. Aug moved to Catterick, England.

2009

Catterick, England with 7 HQ Sq, 1 (Roberts Bks) AES, 4 AES and 73 AES.