First formation By Order of the People's Commissariat of Defense of the USSR № 034 from January 21, 1943, the
293rd Rifle Division was reorganized into the 66th Guards Rifle Division.
Major General Akim Yakshin became Division's new commander after
Pavel Lagutin was promoted to
Executive officer of the
21st Army. On February 7, 1943, most of the Divisions units were renamed. On March 17, 1943, the 66th was assigned to
6th Guards Rifle Corps,
1st Guards Army,
Southwestern Front, from May 5, 1943, the 66th was assigned to
5th Guards Army Steppe Military District. From May 9, 1943, the 66th was with
32nd Guards Rifle Corps 5th Guards Army. Division took part in
Hungarian Revolution of 1956. On June 15, 1957 66th Guards Rifle Division became 66th Guards Motor Rifle Division. On September 15, 1960, 66th became 66th Guards Training Motor Rifle Division. In 1987, 66th Guards Training Motor Rifle Division became 110th Guards Separate Training Center for junior specialists of motor rifle troops of the
Carpathian Military District. The Training Center became under Ukrainian control after Ukraine
declared independence from the Soviet Union. On January 19, 1992, the Training Center along with all other units stationed in Ukraine, pledged their allegiance to Ukrainian people. In May 1992, the 110th Guards
Districts Training Center was disbanded by the directive of the
Ministry of Defense. On September 1, 1992, a new 66th Mechanized Division started forming on the basis of units from the disbanded Training Center. A few units from the 17th Guards Motor Rifle Division were added to the Division, when the 17th was reduced to a Brigade. Division was a part of the 38th Army Corps (former
38th Army) Western Operational Command. On October 26, 1999,
President of Ukraine Leonid Kuchma awarded the Division with
Bukovina title. On October 30, 2000, all of the honorifics which the Division earned throughout her history were restored. Name of the Division became 66th Guards Bukovina, Poltava Red Banner Mechanized Division. Soon after, the Division was reformed into the 22nd Mechanized Brigade, all of the Divisions
regalia was lost. During 2003 only
300th Mechanized Regiment remained, the rest of the units of the brigade were disbanded. In June 2023, some units of the brigade were seen taking part in the
battle of Bakhmut. The brigade was among the first to enter Russia's
Kursk Oblast during
the Ukrainian operation there. In early January 2025, a unit of the 22nd Brigade published footage depicting the brigade's 1st Mechanized Battalion, in cooperation with other units, clearing the village of in Kursk Oblast from
North Korean forces, reportedly killing at least nine of them. In late January 2025, the 1st Battalion claimed to have killed a North Korean special forces company commander during combat near
Malaya Loknya. On 5 May 2025, the brigade was awarded the honorary name "
Mykolaiv" by a decree of President
Volodymyr Zelenskyy. ==Order of battle==