May 5, 1939(1939-05-05) (aged 67)
Klemensów (now part of Szczebrzeszyn)
Count Maurycy Klemens Zamoyski (1871–1939) was a Polish nobleman (szlachcic), politician, social activist, and Minister of Foreign Affairs in the Polish government of the 1920s.
Maurycy was the 15th Lord of the Zamość estate and the biggest land owner in pre-World War II Poland. He co-founded and chaired the Agricultural Society in 1903. In Russian occupied Poland he served as a member of the Duma. During the First World War he was the vice-chairman of the National Committee in Warsaw and later vice-chairman of the National Committee in Paris.
He campaigned in the 1922 presidential elections as a candidate of the right-wing supported by various political parties, most notably the National Democrats. He won four rounds of the election only to lose out in the final round to the surprise victor Gabriel Narutowicz, who was hence elected President of Poland. From 1919–1924 ambassador in Paris; from 19 January 1924 until 27 July 1924 Minister of Foreign Affairs.