Military History since 1900

Boxer Rebellion ends in China

Sep 7, 1901

http://militaryhistory.about.com/od/timeline/a/20thcentime.htm

Second Boer War: Fighting ends with the Treaty of Vereeniging

May 31, 1902

http://militaryhistory.about.com/od/timeline/a/20thcentime.htm

Russo-Japanese War:

Feb 8, 1904

Fighting begins when the Japanese attack the Russian fleet at Port Arthur. http://militaryhistory.about.com/od/timeline/a/20thcentime.htm

Russo-Japanese War:

Jan 2, 1905

Port Arthur Surrenders [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Russo-Japanese War:

Sep 5, 1905

The Treaty of Portsmouth ends the conflict [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Mexican Revolution:

Period: Apr 21, 1914 to Nov 23, 1914

American forces land and occupy Vera Cruz [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Jul 28, 1914

The conflict begins when Austria-Hungary declares war on Serbia [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Aug 23, 1914

British forces join the fray at the Battle of Mons [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Period: Aug 23, 1914 to Aug 31, 1914

The Germans win a stunning victory at the Battle of Tannenberg [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Aug 28, 1914

The Royal Navy wins the Battle of Heligoland Bight [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Period: Oct 19, 1914 to Nov 22, 1914

Allied forces hold at the First Battle of Ypres [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Nov 1, 1914

Vice Admiral Maximilian von Spee's German East Asia Squadron wins the Battle of Coronel. [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Nov 9, 1914

HMAS Sydney defeats SMS Emden at the Battle of Cocos [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Dec 16, 1914

German warships raid Scarborough, Hartlepool, and Whitby [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Dec 25, 1914

The Christmas Truce begins along parts of the Western Front [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Period: Sep 25, 1915 to Oct 14, 1915

British forces take heavy losses during the Battle of Loos [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Mexican Revolution:

Mar 9, 1916

The forces of Pancho Villa raid across the border and burn Columbus, NM http://militaryhistory.about.com/od/timeline/a/20thcentime.htm

World War I:

Dec 23, 1916

British Commonwealth forces win the Battle of Magdhaba in the Sinai Desert [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Apr 6, 1917

The United States enters the war [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Jun 7, 1917

General John J. Pershing arrives in England to take command of US forces in Europe [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Period: Oct 24, 1917 to Nov 19, 1917

Italian troops are routed at the Battle of Caporetto [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Period: Oct 31, 1917 to Nov 7, 1917

General Sir Edmund Allenby wins the Third Battle of Gaza [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Russian Revolution:

Nov 7, 1917

The Bolsheviks overthrow the Provisional Government, beginning the Russian Civil War {http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Jan 8, 1918

President Woodrow Wilson outlines his Fourteen Points to Congress [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Period: Jun 1, 1918 to Jun 28, 1918

US Marines win the Battle of Belleau Wood [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Period: Sep 19, 1918 to Oct 1, 1918

British forces crush the Ottomans at the Battle of Megiddo [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Nov 11, 1918

An armistice is concluded ending World War I in a victory for the Allies. [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War I:

Jun 28, 1919

The Treaty of Versailles officially ends the war [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Russian Civil War:

Jun 30, 1923

Fighting ends with the Red capture of Vladivostok collapse of the Provisional Priamur Government. [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm] It made me put a "day" actual date was just June 1923

Chinese Civil War:

Apr 12, 1927

Fighting begins between the Kuomintang and Communist Party.
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Chinese Civil War:

Oct 1, 1934

The Long March retreat begins with Chinese Communists marching approx. 8,000 miles over 370 days.
Actual date listed is October 1934.
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Second Italo-Abyssinian War:

Oct 3, 1935

The conflict begins when Italian troops invade Ethiopia.
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Second Italo-Abyssinian War:

May 7, 1936

Fighting ends with the capture of Addis Ababa and the Italian annexation of the country. [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Spanish Civil War:

Jul 17, 1936

The conflict begins following an attempted coup d'état by Nationalists forces. [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Spanish Civil War:

Apr 26, 1937

The Condor Legion bombs Guernica
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Spanish Civil War:

Period: Sep 6, 1937 to Sep 22, 1937

Republican forces are defeated at the Battle of El Mazuco [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Sep 29, 1938 to Sep 30, 1938

The Munich Agreement cedes the Sudetenland to Nazi Germany [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Spanish Civil War:

Apr 1, 1939

Nationalist forces crush the final Republican resistance ending the war [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Sep 1, 1939

Nazi Germany invades Poland beginning World War II [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Winter War:

Nov 30, 1939

Fighting between the Soviet Union and Finland begins when Russian troops cross the border following the faked shelling of Mainila [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Dec 13, 1939

British and German naval forces fight the Battle of the River Plate [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Feb 16, 1940

British and German forces violated Norwegian neutrality in the Altmark Incident [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

Winter War:

Mar 12, 1940

The Moscow Peace Treaty ends the war in the Soviet's favor [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Jun 22, 1940

After a six-week campaign, Germany defeats France and forces the British to evacuate from Dunkirk [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Jul 3, 1940

The Royal Navy attacks Mers el Kebir
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Jul 10, 1940 to Oct 31, 1940

The Royal Air Force wins the Battle of Britain
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Sep 17, 1940

Operation Sea Lion, the German invasion of Britain, is indefinitely postponed [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Nov 11, 1940 to Nov 12, 1940

In a daring nighttime raid, British aircraft strike the Italian fleet at the Battle of Taranto
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Dec 8, 1940

British forces in Egypt launch Operation Compass which sweeps across the desert driving the Italians deep into Libya
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Mar 11, 1941

Pres. Franklin Roosevelt signs the Lend-Lease Act
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Mar 27, 1941 to Mar 29, 1941

British Naval forces defeat the Italians at the Battle of Cape Matapan
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Apr 6, 1941 to Apr 30, 1941

German forces win the Battle of Greece
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

May 24, 1941

HMS Hood is sunk at the Battle of the Denmark Strait[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

May 27, 1941

Following aerial attacks from HMS Ark Royal and fire from British battleships, the German battleship Bismarck is sunk in the North Atlantic [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Jun 22, 1941

German forces invade the Soviet Union opening the Eastern Front [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Sep 8, 1941 to Jan 27, 1944

German forces conduct the Siege of Leningrad but fail to capture the city[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Oct 2, 1941 to Jan 7, 1942

The Soviets win the Battle of Moscow
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Dec 7, 1941

Japanese aircraft attack the US Pacific Fleet at Pearl Harbor bringing the United States into the war.[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Dec 8, 1941 to Dec 23, 1941

Japan wins the Battle of Wake Island
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Dec 8, 1941 to Dec 25, 1941

The British are defeated at the Battle of Hong Kong
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Dec 10, 1941

HMS Prince of Wales and HMS Repulse are sunk by Japanese aircraft
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Jan 7, 1942 to Apr 9, 1942

Allied forces conduct the defense of Batann [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Jan 31, 1942 to Feb 15, 1942

The Japanese win the Battle of Singapore
[http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Feb 27, 1942

The Allies are defeated at the Battle of the Java Sea [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Mar 31, 1942 to Apr 10, 1942

Japanese forces conduct the Indian Ocean Raid [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Apr 18, 1942

The planes of the Doolittle Raid bomb Japan [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: May 4, 1942 to May 8, 1942

US forces turn back the Japanese advance against Port Moresby at the Battle of the Coral Sea. Fought entirely at aircraft, it was first naval battle in which the opposing ships never sighted each other. [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: May 5, 1942 to May 6, 1942

US and Filipino forces surrender after the Battle of Corregidor [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: May 26, 1942 to Jun 21, 1942

General Erwin Rommel wins the Battle of Gazala [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Jun 4, 1942 to Jun 7, 1942

The US Pacific Fleet defeats the Japanese at the Battle of Midway, turning the tide in the Pacific [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Period: Jul 1, 1942 to Jul 27, 1942

Axis forces are halted at the First Battle of El Amamein [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Aug 7, 1942

Allied forces go on the offensive in the Pacific by landing on Guadalcanal [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]

World War II:

Aug 9, 1942

Japanese naval forces win the Battle of Savo Island [http://militaryhistory.about.com/od/timeline/a/20thcentime.htm]