List of foreign ministers of Austria-Hungary
Ministers of the Imperial and Royal House and of Foreign Affairs of Austria-Hungary (1867–1918)

Portrait
Name
Began
Ended
-
Count Friedrich Ferdinand von Beust (13 January 1809 – 24 October 1886)
30 December 1867
8 November 1871
-
Count Gyula Andrássy de Csíkszentkirály et Krasznahorka (8 March 1823 – 18 February 1890)
14 November 1871
8 October 1879
-
Baron Heinrich Karl von Haymerle (7 December 1828 – 10 October 1881)
8 October 1879
10 October 1881
-
Count Gustav Kálnoky de Köröspatak (29 December 1832 – 13 February 1898)
20 November 1881
2 May 1895
-
Count Agenor Maria Gołuchowski (25 March 1849 – 28 March 1921)
16 May 1895
24 October 1906
-
Count Alois Lexa von Aehrenthal (27 September 1854 – 17 February 1912)
24 October 1906
17 February 1912
-
Count Leopold Berchtold von und zu Ungarschitz, Frättling und Püllütz (18 April 1863 – 21 November 1942)
17 February 1912
13 January 1915
-
Count Stephan Burián von Rajecz (16 January 1851 – 20 October 1922)
13 January 1915
22 December 1916
-
Count Ottokar Czernin von und zu Chudenitz (26 September 1872 – 4 April 1932)
22 December 1916
16 April 1918
-
Count Stephan Burián von Rajecz (16 January 1851 – 20 October 1922)
16 April 1918
24 October 1918
-
Count Gyula Andrássy de Csíkszentkirály et Krasznahorka (the Younger) (30 June 1860 – 11 June 1929)
24 October 1918
2 November 1918

Question: Who served as Imperial Foreign Minister of Austria-Hungary from 1851-1922?
Answer: Stephan Burián von Rajecz served as Imperial Foreign Minister of Austria-Hungary from 1851-1922.