Historical biography archive · Updated 2026-11-03

Grigory Zinoviev Biography and Timeline

Follow Grigory Zinoviev through 3 dated historical records for Russia.

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Grigory Zinoviev, historical timeline

A chronological timeline drawn from matching World History Database records.

3Distinct records

1 of 1Page

1917–1920Years on this page

1917

4 April 1917

April Theses Discussion

Leader · Bolshevik Leader · Petrograd · Revolution / Revolution of Russia

Takes part in Bolshevik discussions after Lenin presents his theses

Role range: 1917-1918 – 1917

1919

2 March 1919

Comintern Chairmanship

Chairman · Comintern Chairman · Moscow · Politics / International, 3rd

Becomes the leading chairman of the Communist International

Role range: 1919-1943 – 1919-1926

1920

19 July 1920

Second Comintern Congress

Chairman · Comintern Chairman · Petrograd · Politics / International, 3rd

Presides over the opening of the Second Congress of the Communist International

Role range: 1919-1943 – 1919-1926

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.