[[File:Tomb brusilov.JPG|thumb|Brusilov's grave near the 500-year-old katholikon of the [[Novodevichy Convent]] (in the background)]]
SomeBecause some of his former soldiers were serving in the newly formed [[Red Army]], and heBrusilov concurred with the need forthat radical change was necessary. On 30 May 1920, during the [[Kiev offensive (1920)|Polish Eastern offensive]] of the [[Polish-Soviet War]], Brusilovhe published in [[Pravda]] an appeal entitled "To All Former Officers, Wherever They Might Be", encouraging them to forgive past grievances and to join the [[Red Army]].<ref name="The Unofficial History of Russia">{{cite book|script-title=ru:Неофициальная история России |trans-title=The Unofficial History of Russia|author=Вольдемар Николаевич Балязин |year=2007 |publisher=Olma Media Group|isbn=978-5-373-01229-4|page=595|language=Russian|url=https://books.google.com/books?id=Ks2pauQ5kJMC&pg=PA595}}</ref> Brusilov considered it as a patriotic duty of all Russian officers to join hands with the Bolshevik government, which in his opinion was defending Russia against foreign invaders. On 12 September 1920 [[Mikhail Kalinin]], [[Vladimir Lenin]], [[Leon Trotsky]], [[Sergey Kamenev]] and Brusilov signed an appeal "To all officers of the army of [[Pyotr Wrangel|Baron Wrangel]]", in which they called on [[White Army]] officers to go over to the side of the [[Russian Soviet Federative Socialist Republic]], accusing Wrangel of acting in the interests of the [[Szlachta|Polish nobility]] and the Anglo-French capitalists, who also use the Wrangel army to enslave the Russian people, as like as [[Czechoslovak Legion|Czechoslovak corps]] and [[Southern Russia intervention#The intervention|"black-skinned divisions"]].<ref>{{Cite web|url=http://docs.historyrussia.org/ru/nodes/21922-10-11-sentyabrya-vozzvanie-vtsik-snk-narodnogo-komissariata-po-voennym-i-morskim-delam-glavnokomanduyuschego-vsemi-vooruzhennymi-silami-respubliki-k-ofitseram-armii-barona-vrangelya#mode/inspect/page/2/zoom/4|title=10—11 сентября. Воззвание ВЦИК, СНК, Народного комиссариата по военным и морским делам, главнокомандующего всеми вооруженными силами Республики к офицерам армии барона Врангеля|first=Н. П.|last=ИнфоРост|website=docs.historyrussia.org}}</ref><ref>{{Cite web|url=http://www.magister.msk.ru/library/trotsky/trotl809.htm|title=Л. Троцкий. К офицерам армии барона Врангеля |website=www.magister.msk.ru}}</ref>
Initially, Brusilov served on a special commission to determine the size and structure of the Red Army. Later, he led cavalry recruit training and became Inspector of Cavalry. He retired in 1924 but continued to carry out commissions for the [[Revolutionary Military Council]].
