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Jan Ciechanowski

1887 – 1973

Polish diplomat

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About Jan Ciechanowski

Lived 1887 – 1973 (aged 85). Jan Ciechanowski was a Polish diplomat, economist and writer.

Jan Maria Włodzimierz Ciechanowski (15 May 1887 – 16 April 1973) was a Polish economist and diplomat. He was the envoy of Poland to the United States from 1925 to 1929, and later the ambassador of Poland (Polish government-in-exile) to the United States from 1940 to 1945. From 1939 to 1940 he was the secretary-general of the Ministry of Foreign Affairs of Poland.

From 1919 to 1925 he was a legation counselor at the embassy of Poland in London, England. In 1928, he and Frank B. Kellogg, United States Secretary of State signed treaties of conciliation and international arbitration between Poland and the United States.

From 1939 to 1940, during the Second World War he was the secretary-general of the Ministry of Foreign Affairs of Poland.

Ciechanowski died on 16 April 1973 in Washington, D.C., United States.

Works 1947: Defeat in Victory (Garden City, New York: Doubleday & Co.)

Orders and decorations Commander's Cross of the Order of Polonia Restituta

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Important facts

Birth century
Nationality
Awards
Commander of the Order of Polonia Restituta
Also known as
Jan Maria Włodzimierz Ciechanowski

Contemporaries

People whose lives overlapped Jan Ciechanowski's

Frequently asked questions

Who was Jan Ciechanowski?

Polish diplomat (1887-1973)

When was Jan Ciechanowski born?

Jan Ciechanowski was born on 15 May 1887 in Grodziec.

When did Jan Ciechanowski die?

Jan Ciechanowski died on 19 April 1973 in Washington, D.C..

What was Jan Ciechanowski's occupation?

Jan Ciechanowski was a diplomat, economist and writer.

What nationality was Jan Ciechanowski?

Jan Ciechanowski was Polish.

Sources & further reading

· Wikipedia: Jan Ciechanowski

· Wikidata: Q11717232

· DBpedia: Jan Ciechanowski

Cite this page

APA: Biography.guide. (2026). Jan Ciechanowski. https://biography.guide/jan-ciechanowski/

MLA: "Jan Ciechanowski." Biography.guide, https://biography.guide/jan-ciechanowski/.

Chicago: "Jan Ciechanowski." Biography.guide. https://biography.guide/jan-ciechanowski/.

Data last updated: 2026-09-22 · Spot an error? Report a correction.

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