About Hugo Sillén
Lived 1892 – 1971 (aged 78). Hugo Sillén was a Swedish politician.
Klas Hugo Sillén (18 December 1892, Stockholm – 4 December 1971) was a Swedish communist party politician. He first joined communism in 1917, becoming the secretary of the youth wing of the Communist Party, the Social Democratic Youth League, which he was secretary of until 1924. In the 1929 split of the Communist Party of Sweden, Sillén led the pro-Comintern fraction that expelled Karl Kilbom and the majority of the party members with support of the Comintern that feared Kilbom would support Bukharin's right opposition against Joseph Stalin. He was also editor-in-chief of the party organ, Ny Dag, from 1931 to 1934. Hugo Sillén became a devoted Stalinist.
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Important facts
People in Hugo Sillén's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Hugo Sillén's
Frequently asked questions
Who was Hugo Sillén?
Swedish communist (1892–1971)
When was Hugo Sillén born?
Hugo Sillén was born on 18 December 1892 in Hedvig Eleonora parish.
When did Hugo Sillén die?
Hugo Sillén died on 4 December 1971.
What was Hugo Sillén's occupation?
Hugo Sillén was a politician.
What nationality was Hugo Sillén?
Hugo Sillén was Swedish.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Hugo Sillén. https://biography.guide/hugo-sillen/
MLA: "Hugo Sillén." Biography.guide, https://biography.guide/hugo-sillen/.
Chicago: "Hugo Sillén." Biography.guide. https://biography.guide/hugo-sillen/.
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