Timeline of events preceding World War II


This timeline of events preceding World War II covers the events of the interwar period after World War I that affected or led to World War II.

1910s: 19181919

1920s: 192019211922 1923192419251926 192719281929

1930s: 193019311932 1933193419351936 193719381939


Leaders of major participating countries

1918

October 29
November 11
December 27

[|1919]

January 4–15
January 18
January 31
's painting The Signing of Peace in the Hall of Mirrors, Versailles, 28th June 1919, showing the signing of the peace treaty by the German Minister of Transport Dr Johannes Bell, opposite to the representatives of the winning powers.
February
March 2
March 12
March 21
May 15
June 28
July
August 1
September 10
September 12
November 27

1920

January 10
January 21
March
June 4
August 10
October
November
December 24

1921

March 7–17
March 18
April 24
August 25
August 29
November 9

1922

February 6
March
April 16
August 13
October
October 11
October 29
November 1

1923

January 11
June
July 24
August 31
September 27
October 29
November 8

1924

January 21
February 1
March 16
April 1
April 6
June 10
August 16
August 18

1925

May 12
July 18
December 1

1926

January 3
January 31
April 4
April 24
September 8
December 25

1927

April 12
May 20
June 7
November 12
December 14

1928

May 3
May 28
June 4
August 2
August 27
October 1

1929

February 9
February 11
March 4
March 28
April 3
June 7
July 24
August 31
October 29

1930

April 22
June 30
September 14

1931

May 19
September 18
September 19

1932

January 7
January 28
February 27
March 1
April 10
May 30
July 25
August 30
November 21
December 3

[|1933]

January 1
January 30
February 27
February 28
March 4
March 20
March 23
March 24
March 27
April 1
April 26
May 2
May 15
May 31
June 21
July 14
August 25
September 12
October 19
November 24

1934

January 26
February 12–16
February 9
March 20
May 5
with Hitler, August 1933
June 30
July 20
July 25
August 2
August 8
September
October 16
December 1
December 5
December 29

1935

January 7
June 18
August 31
September 15
October 3
November 14

1936

January
February 6
March 7
March 25
May 5
June 3
July 17
August 1
October
October 18
November 14
November 15
November 25
December 1
December 12
December 23
December 24

1937

January 20
May 28
July 7
August 13
October 5
November 6
November 26
December 1
December 8
December 11
December 12
December 13

1938

January 26
March 6
March 13
March 24
July 6–16
July 29
August
September 27
September 30
, Hitler, Mussolini, and Ciano pictured before signing the Munich Agreement, which gave the Sudetenland to Germany.
October 5
November 7
November 9

1939

January 25
January 27
March 14
March 15
March 16
March 20
March 21
March 23
March 31
April 1
April 3
April 4
April 7–12
April 14
April 18
April 28
May 11
May 17
May 22
June 14
July 10
August 2
August 23
August 25
August 30
September 1