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List of Canadian Leaders of the Opposition
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List of Canadian Leaders of the Opposition

List of Canadian Leaders of the Opposition
# Name Party Took Office Left Office

- vacant Liberal July 1 1867 1869

1. Edward Blake Liberal 1869 1871

- vacant Liberal 1871 1873

2. Alexander Mackenzie Liberal 1873 November 5 1873

3. John A. Macdonald Conservative November 6 1873 October 16 1878

- Alexander Mackenzie (2nd time) Liberal October 17 1878 April 27 1880

- vacant Liberal April 28 1880 May 3 1880

- Edward Blake (2nd time) Liberal May 4 1880 June 2 1887

- vacant Liberal June 3 1887 June 22 1887

4. Wilfrid Laurier Liberal June 23 1887 July 10 1896

5. Charles Tupper1 Conservative July 11 1896 February 5 1901

6. Robert Borden Conservative February 6 1901 October 9 1911

- Wilfrid Laurier (2nd time) Liberal October 10 1911 February 2 1919

7. Daniel McKenzie2 Liberal February 2 1919 August 6 1919

8. William Lyon Mackenzie King Liberal August 7 1919 December 28 1921

9. Arthur Meighen Conservative December 29 1921 June 28 1926

- William Lyon Mackenzie King (2nd time) Liberal June 29 1926 September 25 1926

- vacant3 Conservative September 26 1926 October 10 1926

10. Hugh Guthrie4 Conservative October 11 1926 October 11 1927

11. Richard Bedford Bennett Conservative October 12 1927 August 6 1930

- William Lyon Mackenzie King (3rd time) Liberal August 7 1930 October 22 1935

- Richard Bedford Bennett (2nd time) Conservative October 23 1935 June 6 1938

12. Robert Manion Conservative July 7 1938 May 13 1940

13. Richard Hanson5 Conservative May 14 1940 November 11 1941

* Richard Hanson (acting for Meighen6) Conservative November 12 1941 December 10 1942

* Richard Hanson (acting for Bracken7) Progressive Conservative December 11 1942 December 31 1942

* Gordon Graydon (acting for Bracken8) Progressive Conservative January 1 1943 June 10 1945

15. John Bracken Progressive Conservative June 11 1945 July 20 1948

- vacant Progressive Conservative July 21 1948 October 1 1948

16. George Drew Progressive Conservative October 2 1948 October 31 1954

* William Earl Rowe (acting for Drew9) Progressive Conservative November 1 1954 January 31 1955

- George Drew (2nd time) Progressive Conservative February 1 1955 July 31 1956

* William Earl Rowe (acting for Drew10) Progressive Conservative August 1 1956 December 13 1956

17. John George Diefenbaker Progressive Conservative December 14 1956 June 20 1957

18. Louis St. Laurent Liberal June 21 1957 January 15 1958

19. Lester B. Pearson Liberal January 16 1958 April 21 1963

- John George Diefenbaker (2nd time) Progressive Conservative April 22 1963 September 8 1967

* Michael Starr (acting for Stanfield11) Progressive Conservative September 9 1967 November 5 1967

20. Robert Stanfield Progressive Conservative November 6 1967 February 21 1976

21. Joe Clark Progressive Conservative February 22 1976 June 3 1979

22. Pierre Elliott Trudeau Liberal June 4 1979 March 2 1980

- Joe Clark (2nd time) Progressive Conservative March 3 1980 February 1 1983

* Erik Nielsen (acting for Clark12) Progressive Conservative February 2 1983 February 18 1983

23. Erik Nielsen13 Progressive Conservative February 19 1983 June 10 1983

* Erik Nielsen (acting for Mulroney14) Progressive Conservative June 11 1983 August 28 1983

24. Brian Mulroney Progressive Conservative August 29 1983 September 16 1984

25. John Napier Turner Liberal September 17 1984 February 7 1990

* Herb Gray (acting for Chrétien15) Liberal February 8 1990 October 24 1993

26. Jean Chrétien Liberal December 21 1990 October 24 1993

27. Lucien Bouchard Bloc Québécois October 25 1993 January 14 1996

28. Gilles Duceppe16 Bloc Québécois January 15 1996 February 16 1996

29. Michel Gauthier Bloc Québécois February 17 1996 March 14 1997

- Gilles Duceppe (2nd time) Bloc Québécois March 15 1997 June 1 1997

30. Preston Manning Reform June 2 1997 March 26 2000

31. Deborah Grey17 Canadian Alliance March 27 2000 July 7 2000

* Deborah Grey (acting for Day18) Canadian Alliance July 8 2000 September 10 2000

31. Stockwell Day Canadian Alliance September 11 2000 December 11 2001

32. John Reynolds19 Canadian Alliance December 12 2001 March 19 2002

* John Reynolds (acting for Harper20) Canadian Alliance March 20 2002 May 20 2002

33. Stephen Harper Canadian Alliance May 21 2002 January 8 2004

34. Grant Hill21 Canadian Alliance January 9 2004 February 1 2004

- Grant Hill (cont'd)21 Conservative February 2 200422 March 19 2004

- Stephen Harper (2nd time) Conservative March 20 2004
1 - Tupper lost his seat in the 1900 Canadian election and resigned as party leader and Leader of the Opposition three months later.
2 - McKenzie served as interim Leader of the Opposition from Laurier's death until King's election as leader of the Liberal Party.
3 - Meighen failed to win his seat and immediately resigned as leader of the Conservative Party.
4 - Guthrie served as interim Leader of the Opposition from shortly after Meighen's resignation until Bennett's election as leader of the Conservative Party.
5 - Hanson served as interim Leader of the Opposition from Manion's resignation until Meighen's election as leader of the Conservative Party.
6 - Hanson continued as acting Leader of the Opposition throughout Meighen's term as Conservative leader, as Meighen failed in his attempts to win election to the House of Commons.
7 - Hanson continued as acting Leader of the Opposition from Bracken's election as PC leader until his own resignation.
8 - Graydon served as acting Leader of the Opposition from Hanson's resignation until Bracken entered Parliament in the 20th general election.
9 - Rowe served as acting Leader of the Opposition in winter 1954-55 due to Drew's poor health.
10 - Rowe again served as acting Leader of the Opposition due to Drew's poor health until Drew was replaced by Diefenbaker.
11 - Starr served as acting Leader of the Opposition from Stanfield's election as PC leader until Stanfield entered Parliament via byelection.
12 - Nielsen served as acting Leader of the Opposition for the two weeks preceding Clark's resignation from the post of leader of the PC Party.
13 - Nielsen continued as interim Leader of the Opposition during the 1983 Progressive Conservative leadership race in which Clark unsuccessfully ran to succeed himself.
14 - Nielsen continued as acting Leader of the Opposition from Mulroney's election as PC leader until Mulroney entered Parliament via byelection.
15 - Gray served as acting Leader of the Opposition from Chrétien's election as Liberal leader until Chrétien entered Parliament via byelection.
16 - Duceppe served as interim Leader of the Opposition during the 1996 Bloc Québécois leadership race initiated by Bouchard's sudden resignation from federal politics to become Premier of Quebec.
17 - Grey served as interim Leader of the Opposition during the 2000 Canadian Alliance leadership race in which Manning unsuccessfully ran to succeed himself.
18 - Grey continued as acting Leader of the Opposition from Day's election as Alliance leader until Day entered Parliament via byelection.
19 - Reynolds served as interim Leader of the Opposition during the 2002 Canadian Alliance leadership race in which Day unsuccessfully ran to succeed himself.
20 - Reynolds continued as acting Leader of the Opposition from Harper's election as Alliance leader until Harper entered Parliament via byelection.
21 - Hill served as interim Leader of the Opposition during the 2004 Conservative Party of Canada leadership race in which Harper successfully ran to succeed himself.
22 - Although the PC Party and Canadian Alliance were recognized as merged on December 7, 2003 by Elections Canada, they did not merge their Parliamentary caucuses until February 2, 2004.