1st Mechanized Corps (Soviet Union)
The 1st Mechanized Corps was a mechanized corps of the Red Army during World War II that formed twice.

World War II

1st Formation
The corps was initially formed in March 1940 attached to the Leningrad Military District, and held in reserve near the Pskov Fortified Region. It was under the command of Major General  when the German Operation Barbarossa began in June 1941. It initially comprised the 1st and 3rd Tank Divisions, and the . On 22 June 1941, 1st Mechanized Corps consisted of 31,439 men, 1,037 tanks, 239 armored cars, 148 artillery pieces, 146 mortars, 4,730 vehicles, 246 tractors, and 467 motorcycles; including lighter T-26, BT-8, and T-28 model tanks.

After the invasion began, the Leningrad Military District was renamed to the Northern Front and was overseen by Lieutenant General Markian M. Popov. The front fielded the 14th, 7th, and 23rd Armies, the 65th Rifle Corps and the Leningrad Military District forces, including the 2nd Division of NKVD troops. The 1st Mechanized Corps was heavily engaged in the first battles of Operation Barbarossa, particularly during the Baltic Operation (1941). On 29 June 1941, the 1st Mechanized Corps was ordered to reinforce new defenses anchored on the Velikaya River, near Ostrov, on the former Stalin Line after the spectacular advances by Georg-Hans Reinhardt's XLI Panzer Corps, which had crossed the Daugava River. However it was unable to hold the line. On 11 July 1941, Colonel  on the Northwestern Front reported that the 1st Mechanized Corps had at the present moment fewer than 100 tanks remaining. Pskov and Ostrov were captured within weeks. On 2 August 1941, Colonel Limarenko, Chief of Staff of the 1st Mechanized Corps reported that the Corps possessed no T-34 or KV-1s. When sent into action, only 20 were delivered after combat began. The 1st Mechanized Corps was disbanded in August 1941, although the 1st Tank Division remained in 14th Army.

2nd Formation
The Corps was formed a second time on the basis of the 27th Tank Corps on 8 September 1942 in Kalinin. It fought actively during the Second World War from 26 September—10 March 1943, from 9 July 1943—13 January 1944, from 7 June 1944—5 September 1944, and from 30 October 1944—9 May 1945. After the end of World War II, the Corps became part of the Group of Soviet Occupation Forces in Germany.

Cold War
In 1946, the Corps became the 1st Mechanized Division. The division became the 19th Motor Rifle Division in Olympisches Dorf as part of the 2nd Guards Tank Army on 29 April 1957. In June 1964, it was subordinated to the 20th Guards Army. On 1 January 1965, it became the 35th Motor Rifle Division. On 22 February 1968, the division was awarded the Order of the Red Banner. In May 1983, it relocated to Krampnitz. In May 1989, the 219th Tank Regiment was moved to the Soviet Union and disbanded. It was replaced by the 32nd Guards Tank Division's 69th Motor Rifle Regiment. During the Cold War, the 35th Motor Rifle Division was maintained at full strength. In December 1991, the division moved to Chebarkul and became part of the Volga–Urals Military District. The division was disbanded in April 1992.

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Further reading
 

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Military units and formations established in 1941
Military units and formations disestablished in 1946
Military units and formations awarded the Order of the Red Banner