Russian Army between March and May, the division retreated to the line of the Kama River and the Vyatka River. On March 19 it was renamed the 21st Rifle Division. When the Red counteroffensive began in May, the division fought in the Sarapul–Votkinsk Operation between May 25 and June 12, advancing towards Izhevsk and Votkinsk and reaching the mouth of the Vala River. It then fought in the Perm Offensive between June 21 and July 1, crossing the Kama, Osa, and Iren Rivers and capturing the cities of Osa, Okhansk, and Kungur. In July, the division was transferred back to the 3rd Army. It fought in the Yekaterinburg Operation between July 5 and July 20, capturing the Sylva factory and the Utkinsk railway junction. In the Chelyabinsk Operation from July 17 to August 4, the division flanked the White Army in the direction of Nizhne-Petropavlovskoye and Peschanskoye. In September the division was split up, with its 1st Brigade sent to the 9th Army on the Southern Front, its 2nd Brigade remaining on the Eastern Front with the 5th Army, and its 3rd Brigade sent to the 15th Army on the Western Front. Between August 20 and November 4, the 2nd Brigade, under the operational control of the 26th Rifle Division, fought in the Petropavlovsk Operation, capturing Petropavlovsk. It continued the advance, fighting in the Omsk Operation, the attack on Omsk, between November 4 and 16. It was transferred west to the 9th Army in November. The 1st and 3rd Brigades completed their journeys across Russia by October, when they re-entered combat. Between November 20 and December 9, the 1st Brigade fought in the Khopyor–Don Operation against the Armed Forces of South Russia, advancing from the Berezovka area to the Don at its tributaries of Boguchar and Rossosh. Meanwhile, the 3rd Brigade defended Petrograd from October to December against the Northwestern Army. As part of the 9th Army, the division headquarters fought against the Armed Forces of South Russia in the areas of Borisoglebsk, Novokhopyorsk, Kalach, and Boguchar in October and November. Between January 3 and 10, 1920, the 21st advanced to Novocherkassk in the Rostov–Novocherkassk Operation. From January 17 to February 6, it fought in the Don–Manych Operation, crossing the Manych River and capturing the surrounding area. The division continued the advance into the North Caucasus, fighting in the Tikhoretsk Operation between February 14 and March 2. From 3 to