Interwar period: 1919-1939

Both the HL and SL section of the course.

Main

November 11, 1918
June 28, 1919
September, 1919
1920 - 1921
November 1920
February 10, 1921
November 1921
April 10, 1922 - May 19, 1922
April 16, 1922
October 30, 1922
January, 1923 - 1925
July 1923
August 1923 - November 1923
August 29, 1923
September 1923
September 15, 1923 - January 28, 1930
November 9, 1923
January 25, 1924
August 27, 1924
December 1, 1925
April 1926
September 8, 1926
August 27, 1928
1929
October, 1929
April 14, 1931
June 20, 1931
September 19, 1931 - February 27, 1932
February 1932 - July 1932
June 16, 1932 - July 9, 1932
January 30, 1933
March 23, 1933
March 27, 1933
July 1933
January 26, 1934
September 18, 1934
January 13, 1935
March 16, 1935
April 14, 1935
October 3, 1935 - May, 1936
February 1936
March 7, 1936
July 17, 1936 - April 1, 1939
October 25, 1936
November 25, 1936
July 7, 1937
November 7, 1937
December 11, 1937
March 12, 1938
September 18, 1938
May 22, 1939