Hjalmar Hammarskjöld
13th Prime Minister of Sweden
In office 17 February 1914 – 30 March 1917 (3 years, 41 days)
Monarch	Gustaf V
Preceded by	Karl Staaff
Succeeded by	Carl Swartz
Personal details
Born	Knut Hjalmar Leonard Hammarskjöld (1862-02-04)February 4, 1862 Tuna, Sweden
Died	October 12, 1953(1953-10-12) (aged 91) Stockholm, Sweden
Spouse(s)	Agnes Almquist

Knut Hjalmar Leonard Hammarskjöld, born 4 February 1862, dead 12 October 1953, was a Swedish politician, scholar, cabinet minister and Member of Parliament from 1923 to 1938 (first chamber). He served as the Prime Minister of Sweden from 1914 to 1917.^[1]

In 1890, he married Agnes Almquist (1866–1940). The couple had four sons: Bo, Åke, Sten and Dag.