People

Activity(set)
Any Political and party leadership 1
Affiliation(set)

Most people

Any Socialist Revolutionary Party (PSR/SR) 12 Social Democratic Party of Germany (SPD) 12 Mensheviks (RSDLP) 8 Russian Social Democratic Labour Party (RSDLP) 8 French Section of the Workers' International (SFIO) 6 Labour Party (United Kingdom) 4 Spanish Socialist Workers' Party (PSOE) 3 Independent Social Democratic Party of Germany (USPD) 3 Belgium state institutions 1

All 26 affiliations

Australia

Australian Labor Party (ALP) 1

Austria

Austria state institutions 1

Belgium

Belgium state institutions 1

East Germany

Socialist Unity Party of Germany (SED) 2

Finland

Social Democratic Party of Finland 2

France

France state institutions 1 French Workers' Party (POF) 2 French Section of the Workers' International (SFIO) 6

Georgia

Georgia state institutions 1

Germany

Germany state institutions 1 Communist Party of Germany (KPD) 2 Social Democratic Party of Germany (SPD) 12 Independent Social Democratic Party of Germany (USPD) 3

Hungary

Hungary state institutions 2 Hungarian Social Democratic Party (MSZDP) 2

International organizations

Comintern 1

Italy

Italian Socialist Party (PSI) 2

Poland

Polish Socialist Party (PPS) 1

Russia

Socialist Revolutionary Party (PSR/SR) 12 Party of Left Socialist Revolutionaries 1 Mensheviks (RSDLP) 8 General Jewish Labour Bund 1 Russian Social Democratic Labour Party (RSDLP) 8

Soviet Union

Soviet Communist Party and Bolsheviks 1

Spain

Spanish Socialist Workers' Party (PSOE) 3

United Kingdom

Labour Party (United Kingdom) 4
Position(set)
Any Non-Bolshevik socialists 1
Citizenship
Any Belgium 1
Background
Any Belgium 1
Era
Any

People of the wider world

The age of the Internationals and empires1820–1917 1
Political and party leadership Belgium state institutions Non-Bolshevik socialists Clear all