Congress
|
Duration (start—end)
|
Delegates
|
Elected
|
CC Report (presented by)
|
CAC Report (presented by)
|
Charter (amendments)
|
Program (amendments)
|
PMR
|
Place
|
Location
|
CC
|
CAC
|
1st Congress 3 days
|
1 March – 3 March 1898
|
9
|
3
|
—
|
—
|
—
|
—
|
—
|
—
|
Minsk
|
Russian Empire
|
2nd Congress 25 days 1903 election
|
17 July – 10 August 1903
|
51 VD – 12 CD
|
3 FM – 2 PM
|
—
|
—
|
—
|
Amendment
|
1st Program
|
—
|
Brussels
|
Belgium
|
—
|
London
|
United Kingdom
|
3rd Congress 16 days 1905 election
|
12 April – 27 April 1905
|
24 VD – 14 CD
|
4 FM 4 AP 1 PM
|
—
|
—
|
—
|
Amendment
|
—
|
—
|
4th Congress 16 days 1906 election
|
10 April – 25 April 1906
|
112 VD – 22 CD
|
10 FM – 1 PM
|
—
|
—
|
—
|
Amendment
|
—
|
—
|
Stockholm
|
Sweden
|
5th Congress 20 days 1907 election
|
30 April – 19 May 1907
|
343 VD – 41 CD
|
11 FM 21 CM 6 PM
|
—
|
R. Abramovitch A. Bogdanov J. Martov
|
—
|
—
|
—
|
178,000
|
London
|
United Kingdom
|
6th Congress 9 days 1917 election
|
26 July – 3 August 1917
|
157 VD – 110 CD
|
21 FM – 10 CM
|
—
|
None
|
—
|
Amendment
|
2nd Program
|
177,000
|
Petrograd
|
Russian Republic
|
7th Congress 3 days 1917–1918 election
|
6 March – 8 March 1918
|
47 VD – 59 CD
|
19 FM – 8 CM
|
—
|
V. Lenin & Y. Sverdlov
|
—
|
—
|
—
|
233,000
|
Soviet Russia
|
8th Congress 6 days 1918–1919 election
|
18 March – 23 March 1919
|
301 VD – 102 CD
|
19 FM – 8 CM
|
3
|
V. Lenin
|
—
|
Amendment
|
—
|
313,766
|
Moscow
|
9th Congress 8 days 1919–1920 election
|
29 March – 5 April 1920
|
301 VD – 102 CD
|
19 FM – 12 CM
|
None
|
V. Lenin
|
—
|
—
|
—
|
611,978
|
10th Congress 9 days 1921–1922 election
|
8 March – 16 March 1921
|
715 VD – 553 CD
|
25 FM – 15 CM
|
None
|
V. Lenin
|
—
|
—
|
—
|
732,521
|
11th Congress 7 days 1921–1922 election
|
27 March – 2 April 1922
|
694 VD – 296 CD
|
27 FM – 17 CM
|
None
|
V. Lenin
|
V. Nogin
|
—
|
—
|
532,000
|
12th Congress 9 days 1922–1923 election
|
17 April – 25 April 1923
|
408 VD – 417 CD
|
40 FM – 17 CM
|
3
|
L. Kamenev
|
V. Nogin
|
Amendment
|
—
|
386,000
|
Soviet Union
|
13th Congress 9 days 1923–1924 election
|
23 May – 31 May 1924
|
748 VD – 416 CD
|
53 FM – 34 CM
|
3
|
G. Zinoviev
|
D. Kursky
|
—
|
—
|
735,881 FM – 127,741 CM
|
14th Congress 14 days 1925 election
|
18 December – 31 December 1925
|
665 VD – 641 CD
|
63 FM – 43 CM
|
7
|
J. Stalin
|
D. Kursky
|
Amendment
|
—
|
643,000 FM – 445,000 CM
|
15th Congress 18 days 1927 election
|
2 December – 19 December 1927
|
898 VD – 771 CD
|
71 FM – 50 CM
|
9
|
J. Stalin
|
D. Kursky
|
Amendment
|
—
|
887,233 FM – 348,957 CM
|
16th Congress 18 days 1929–1930 election
|
26 June – 13 July 1930
|
1268 VD – 891 CD
|
71 FM – 67 CM
|
13
|
J. Stalin
|
M. Vladimirsky
|
—
|
—
|
1,260,874 FM – 711,609 CM
|
17th Congress 16 days 1933–1934 election
|
26 January – 10 February 1934
|
1225 VD – 736 CD
|
71 FM – 68 CM
|
22
|
J. Stalin
|
M. Vladimirsky
|
Amendment
|
—
|
1,872,488 FM – 935,298 CM
|
18th Congress 12 days 1938–1939 election
|
10 March – 21 March 1939
|
1569 VD – 466 CD
|
71 FM – 13 CM
|
13
|
J. Stalin
|
M. Vladimirsky
|
Amendment
|
—
|
1,588,852 FM – 888,814 CM
|
19th Congress 10 days 1951–1952 election
|
5 October – 14 October 1952
|
1192 VD – 167 CD
|
125 FM – 111 CM
|
37
|
G. Malenkov
|
P. Moskatov
|
Amendment
|
—
|
6,000,000 FM – 900,000 CM
|
20th Congress 12 days 1955–1956 election
|
14 February – 25 February 1956
|
1349 VD – 81 CD
|
133 FM – 122 CM
|
63
|
N. Khrushchev
|
P. Moskatov
|
Amendment
|
—
|
6,795,896 FM – 419,609 CM
|
21st Congress 10 days None
|
27 January – 5 February 1959
|
1261 VD – 106 CD
|
None
|
None
|
N. Khrushchev
|
—
|
—
|
—
|
7,622,356 FM – 616,775 CM
|
22nd Congress 15 days 1960–1961 election
|
17 October – 31 October 1961
|
4394 VD – 405 CD
|
175 FM – 155 CM
|
65
|
N. Khrushchev
|
A. Gorkin
|
Amendment
|
3rd Program
|
8,872,516 FM – 843,489 CM
|
23rd Congress 11 days 1965–1966 election
|
29 March – 8 April 1966
|
4619 VD – 323 CD
|
195 FM – 165 CM
|
79
|
L. Brezhnev
|
N. Muravyova
|
Amendment
|
Amendment
|
11,673,676 FM – 797,403 CM
|
24th Congress 11 days 1970–1971 election
|
30 March – 9 April 1971
|
4740 VD – 223 CD
|
245 FM – 155 CM
|
81
|
L. Brezhnev
|
G. Sizov [ru]
|
—
|
—
|
13,810,089 FM – 645,232 CM
|
25th Congress 10 days 1975–1976 election
|
24 February – 5 March 1976
|
4998
|
287 FM – 139 CM
|
85
|
L. Brezhnev
|
G. Sizov [ru]
|
—
|
—
|
15,365,600 FM – 628,876 CM
|
26th Congress 9 days 1980–1981 election
|
23 February – 3 March 1981
|
4994
|
319 FM – 151 CM
|
75
|
L. Brezhnev
|
G. Sizov [ru]
|
—
|
—
|
16,732,408 FM – 698,005 CM
|
27th Congress 10 days 1985–1986 election
|
25 February – 6 March 1986
|
4993
|
307 FM – 170 CM
|
83
|
M. Gorbachev
|
G. Sizov [ru]
|
Amendment
|
Amendment
|
18,975,725 FM – 512,097 CM
|
28th Congress 12 days 1990–1991 election
|
2 July – 13 July 1990
|
4683
|
412
|
—
|
M. Gorbachev
|
—
|
Amendment
|
Failed to approve program
|
18,856,113 FM – 372,104 CM
|