| Orgburo of the Central Committee |
| 16 Jan 1919 |
Orgburo elected by the Central Committee: Vladimirsky, Krestinsky, Sverdlov |
| 16 Mar 1919 |
Sverdlov died |
| 25 Mar 1919 |
Orgburo elected by the Central Committee: Beloborodov, Krestinsky, Serebryakov, Stalin, Stasova; candidate member: Muranov |
| 29 Nov 1919 |
Kalinin elected full member at the Central Committee plenum [1] |
| 5 Apr 1920 |
Orgburo elected by the Central Committee: Krestinsky, Preobrazhensky, Rykov, Serebryakov, Stalin [2] |
| 16 Mar 1921 |
Orgburo elected by the Central Committee: Komarov, V.Mikhaylov, Molotov, Rykov, Stalin, Tomsky, Yaroslavsky; candidate members: Dzerzhinsky, Kalinin, Rudzutak |
| 28 May 1921 |
Politburo approved Zalutsky, Kutuzov, Shmidt as candidate members |
| 8 Aug 1921 |
Orgburo elected by the Central Committee: Dzerzhinsky, Zalutsky, V.Mikhaylov, Molotov, Rudzutak, Rykov, Stalin; candidate members: Kalinin, Kutuzov, Shmidt |
| 3 Apr 1922 |
Orgburo elected by the Central Committee: Andreyev, Dzerzhinsky, Kuibyshev, Molotov, Rykov, Stalin, Tomsky; candidate members: Zelensky, Kalinin, Rudzutak |
| 26 Apr 1923 |
Orgburo elected by the Central Committee: Andreyev, Dzerzhinsky, Molotov, Rudzutak, Rykov, Stalin, Tomsky; candidate members: Zelensky, Kalinin, V.Mikhaylov |
| 25 Sep 1923 |
Zinovyev and Trotsky elected full members, Bukharin and Korotkov candidate members at the Central Committee plenum |
| 2 Jun 1924 |
Orgburo elected by the Central Committee: Andreyev, Bubnov, Voroshilov, Dogadov, Zelensky, L.Kaganovich, Kalinin, Molotov, Nikolayeva, Smirnov, Stalin; candidate members: Antipov, Dzerzhinsky, Lepse, Tomsky, Chaplin, Frunze |
| 20 Aug 1924 |
Zelensky relieved of duties at the Central Committee plenum; Uglanov elected full member |
| 31 Oct 1925 |
Frunze died |
| 1 Jan 1926 |
Orgburo elected by the Central Committee: Andreyev, Artyuhina, Bubnov, Dogadov, Yevdokimov, Kviring, Kosior, Molotov, Smirnov, Stalin, Uglanov; candidate members: Lepse, V.Mikhaylov, Ukhanov, Chaplin, Shmidt |
| 9 Apr 1926 |
Yevdokimov relieved of duties at the Central Committee plenum; Shvernik elected full member |
| 16 Apr 1927 |
Shvernik and Kviring relieved of duties at the Central Committee plenum; Kubyak, Sulimov and Rukhimovich elected full members, Lobov elected candidate member |
| 19 Dec 1927 |
Orgburo elected by the Central Committee: Andreyev, Artyuhina, Bubnov, Dogadov, Kosior, Kubyak, Molotov, Moskvin, Rukhimovich, Smirnov, Stalin, Sulimov, Uglanov; candidate members: Kotov, Lepse, Lobov, V.Mikhaylov, Ukhanov, Chaplin, Shmidt |
| 11 Apr 1928 |
Andreyev relieved of duties at the joint plenum of the Central Committee and the Central Control Commission; Bauman elected full member, Antipov elected candidate member |
| 12 Jul 1928 |
Kosior relieved of duties at the Central Committee plenum; L.Kaganovich elected full member |
| 29 Apr 1929 |
Uglanov relieved of duties at the Central Committee plenum |
| 6 Oct 1929 |
Lepse died |
| 17 Nov 1929 |
Gamarnik elected full member at the Central Committee plenum; Shvernik elected candidate member |
| 13 Jul 1930 |
Orgburo elected by the Central Committee: Akulov, Bauman, Bubnov, Gamarnik, L.Kaganovich, Lobov, Molotov, Moskvin, Postyshev, Stalin, Shvernik; candidate members: Dogadov, Kosarev, Smirnov, Tsikhon |
| 21 Dec 1930 |
Molotov relieved of duties at the joint plenum of the Central Committee and the Central Control Commission |
| 2 Oct 1932 |
Akulov, Bauman and Dogadov relieved of duties at the Central Committee plenum |
| 12 Jan 1933 |
Smirnov relieved of duties at the joint plenum of the Central Committee and the Central Control Commission |
| 10 Feb 1934 |
Orgburo elected by the Central Committee: Gamarnik, Yezhov, Zhdanov, L.Kaganovich, Kirov, Kosarev, Kuibyshev, Stalin, Stetsky, Shvernik; candidate members: M.Kaganovich, Krinitsky |
| 1 Dec 1934 |
Kirov assassinated |
| 25 Jan 1935 |
Kuibyshev died |
| 10 Mar 1935 |
Andreyev approved full member by questionnaire [3] |
| 31 May 1937 |
Gamarnik committed suicide |
| 30 Oct 1937 |
Krinitsky executed |
| 14 Jan 1938 |
Mekhlis elected full member at the Central Committee plenum |
| Apr 1938 |
Stetsky arrested (executed 1 Aug 1938) |
| 29 Nov 1938 |
Kosarev arrested (executed 23 Feb 1939) |
| 22 Mar 1939 |
Orgburo elected by the Central Committee: Andreyev, Zhdanov, L.Kaganovich, Malenkov, Mekhlis, N.Mikhaylov, Stalin, Shvernik, Shcherbakov |
| 10 May 1945 |
Shcherbakov died |
| 18 Mar 1946 |
Orgburo elected by the Central Committee: Aleksandrov, Andrianov, Bulganin, Zhdanov, A.Kuznetsov, V.Kuznetsov, Malenkov, Mekhlis, N.Mikhaylov, Patolichev, Popov, Rodionov, Stalin, Suslov, Shatalin |
| 24 May 1947 |
Patolichev relieved of duties by questionnaire |
| 31 Aug 1948 |
Zhdanov died |
| 7 Mar 1949 |
A.Kuznetsov and Rodionov relieved of duties by questionnaire |
| 10 Mar 1949 |
Chernousov approved full member by questionnaire |
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