After leaving the 1st Guards Cavalry Division in Kiev, Bogaewsky went to the Don. In the west of the Don region, in the town of Luhansk, Donetsk district, Bogaewsky was arrested by the
Bolsheviks. He narrowly escaped being shot and in December 1917 he arrived in the Don capital of
Novocherkassk. After the
October Revolution, Bogaewsky joined
Lavr Kornilov's
Volunteer Army, assuming command of a Cossack regiment. On January 5, 1918, he undertook command of the troops of the Rostov district under the leadership of military chief
Alexey Kaledin, who committed suicide a month later after the loss of
Rostov-on-Don to the Reds. After the
Ice March in 1918, he joined
Pyotr Krasnov's
Don Army. In March 1918, Bogaewsky was appointed commander of the 2nd Brigade of the Volunteer Army. From May 1918 to January 1919, he held the position of Chairman of the Council of Heads of Departments and Head of the Department (Minister) of Foreign Relations in the Don Government of Ataman Krasnov. On August 28, 1918, he received the military rank of lieutenant general. On February 6, 1919, Bogaewsky replaced Krasnov as Ataman of the Don Cossacks, a title he would hold until his death. From January to February 1920, he was the Chairman of the
South Russian Government. He fought with
Denikin and
Wrangel against the Bolsheviks and was evacuated from the Crimea, together with Wrangel, in November 1920. ==Life in exile==