1910 | 1911 | 1912 | 1913 | 1914 | 1915 | 1916 | 1917 | 1918 | 1919
1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929
1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939
1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949

1 Jan 1920
  • Andrew McNaughton was promoted to the rank of lieutenant-colonel. ww2dbase [Main Article | CPC]
Byelorussia
  • The Byelorussian Communist Organization was founded as a separate party. ww2dbase [CPC]
Photo(s) dated 1 Jan 1920
Oklahoma at Guantanamo Bay, Cuba, 1 Jan 1920
6 Jan 1920

United States
  • USS Arizona departed New York Navy Yard, New York, United States for Guantánamo Bay Naval Base, Cuba. ww2dbase [Main Article | Facility | CPC]
8 Jan 1920

Romania
  • Crown Prince Carol's son Prince Mircea Gregor Carol Lambrino was born in Bucharest, Romania. ww2dbase [Main Article | CPC]
10 Jan 1920
  • Georg von Bismarck was transferred to the German 5th Infantry Regiment. ww2dbase [Main Article | CPC]
14 Jan 1920
  • In Siberia, Russia, one of Semenov's armoured trains opened fire at night on a American troop train at Verkhne Udinsk; the Americans then captured the armoured train and arrested seven Cossack officers and forty-eight men, who confessed under interrogation that they had murdered fifty civilians over the past few days. ww2dbase [AC]
19 Jan 1920

United States
  • The United States Senate voted against joining the League of Nations. ww2dbase [CPC]
21 Jan 1920
  • USS R-5 joined the US Navy winter exercises in the Gulf of Mexico. ww2dbase [Main Article | CPC]
France
  • The Paris Peace Conference ended. ww2dbase [CPC]
Photo(s) dated 21 Jan 1920
Submarine tender USS Camden and submarine USS R-1, 21 Jan 1920
23 Jan 1920
  • The Americans commenced their withdrawal from Siberia, Russia; turning over their Cossack prisoners to the Czechs, but the latter were forced to release them under the threat of action by the Japanese. ww2dbase [AC]
1 Feb 1920
  • The South African air arm was created out of a squadron (1. The Suid Afrikaanse Lugmag) that had been attached to the Royal Flying Corps during the Great War. ww2dbase [AC]
3 Feb 1920

United States
  • Henry Heimlich was born in Wilmington, Delaware, United States. ww2dbase [Main Article | CPC]
4 Feb 1920
  • Pierre van Ryneveld and Quintin Brand departed England on a flight to South Africa. ww2dbase [Main Article | CPC]
Photo(s) dated 4 Feb 1920
Lieutenant Colonel Pierre van Ryneveld and First Lieutenant Quinton Brand posing before Vimy aircraft
5 Feb 1920

United Kingdom
  • The world's first Military Air Academy was established at RAF Cranwell, Lincolnshire, England, United Kingdom to train officer cadets for the British Royal Air Force. ww2dbase [AC]
7 Feb 1920
  • Vice-Admiral Aleksandr Vasilevitch Kolchak, one-time Supreme Ruler of Russia, was taken from his cell to a place on the bank of the Angara River in Siberia, and there with Victor Pepelyaev, was shot by an execution squad and his body pushed through a hole in the ice. Representatives of the Czech Legion signed an agreement with Smirnov guaranteeing the evacuation of all Czech personnel and their equipment from Russian soil, in return for their non-intervention of the Bolshevik treatment of Kolchak and his staff. ww2dbase [AC]
21 Feb 1920

United States
  • Robert Johnson was born in Lawton, Oklahoma, United States. ww2dbase [Main Article | CPC]
24 Feb 1920
  • Adolf Hitler made the Twenty-Five Theses speech in Munich, Germany. ww2dbase [Main Article | CPC]
11 Mar 1920

Germany
  • Eleonore Baur was arrested for disturbing the peace following an anti-Semitic speech at a women's rally in München (Munich), Germany. ww2dbase [Main Article | CPC]
24 Mar 1920

Japan
  • Tsuji Masanobu completed his studies at a military academy in Nagoya, Japan; he received a silver watch from Crown Prince Hirohito for this achievement. ww2dbase [Main Article | CPC]
31 Mar 1920

Russia
  • Maria Smirnova was born in Vorobievo, Tver Oblast, Russia. ww2dbase [Main Article | CPC]
1 Apr 1920
  • The German Workers Party (DAP) was officially renamed the National Socialist German Workers’ Party (NSDAP). ww2dbase [CPC]
  • The last American ground troops sailed from Vladivostock, Russia to the considerable relief of the State Department, leaving only units of the US Navy in the harbour. ww2dbase [AC]
Japan
  • Settsu entered Kure Naval Arsenal, Japan for reboilering and hull repairing. ww2dbase [Main Article | Facility | CPC]
14 Apr 1920
  • USS R-5 completed the US Navy winter exercises in the Gulf of Mexico. ww2dbase [Main Article | CPC]
20 Apr 1920

Japan
24 Apr 1920
  • Marshal Pilsudski, the Polish leader, signed a treaty with Simon Petlyura promising Ukrainian independence in return for military help in crushing the Bolsheviks. ww2dbase [AC]
25 Apr 1920
  • Four Polish armies under the command of Marshal Pilsudski marched into the Ukraine. ww2dbase [AC]
27 Apr 1920

Azerbaijan
  • Bruce Fraser, along with all members of a Royal Navy commission, was interned by the Soviet Red Army at Baku, Azerbaijian. ww2dbase [Main Article | CPC]
28 Apr 1920

Azerbaijan
  • The Azerbaijan Soviet Socialist Republic was formed. ww2dbase [CPC]
Japan
  • Crown Prince Yi Un of Korea married Japanese Princess Masako of Nashimoto. ww2dbase [Main Article | CPC]
Photo(s) dated 28 Apr 1920
Wedding photo of Crown Prince Yi Un and Princess Masako, 28 Apr 1920
1 May 1920

United States
  • USS Arizona arrived at New York City, New York, United States. ww2dbase [Main Article | CPC]
2 May 1920

Photo(s) dated 2 May 1920
Submarine tender USS Camden with six R-class submarines, New York, New York, United States, 2 May 1920
7 May 1920
  • Pilsudski's Polish troops occupied Kiev, Ukraine. ww2dbase [AC]
  • Quintin Brand received the title of Qualified Flight Instructor with the RAF Flying Training School. ww2dbase [Main Article | CPC]
10 May 1920

United Kingdom
  • Carrier Eagle held taxiing trials with Sopwith Camel fighters and Parnall Panther reconnaissance aircraft while still being docked. ww2dbase [Main Article | CPC]
11 May 1920

United Kingdom
  • Oswald Mosley married Lady Cynthia Curzon, the daughter of British Foreign Secretary George Curzon, at St James's Palace in London, England, United Kingdom. Their guests included King George V of the United Kingdom and King Leopold III of Belgium. ww2dbase [Main Article | CPC]
Photo(s) dated 11 May 1920
Newlyweds Oswald and Cynthia Mosley, 11 May 1920
13 May 1920

Germany
  • Toni Schneiders was born in Urbar, Mayen-Koblenz, Germany. ww2dbase [Main Article | CPC]
14 May 1920
  • Quintin Brand was made Knight Commander of the Order of the British Empire. ww2dbase [Main Article | CPC]
15 May 1920
  • Battlecruiser HMS Hood was commissioned with Captain W. Tomkinson in command. ww2dbase [Main Article | AC]
  • The Bolsheviks struck back at the Polish forces with a rapid thrust in the Potock area in Ukraine. ww2dbase [AC]
17 May 1920
  • Fox was commissioned into service. ww2dbase [Main Article | CPC]
United States
  • USS Arizona departed New York City, New York, United States. ww2dbase [Main Article | CPC]
  • Joseph Stilwell completed a Chinese curriculum at the University of California in Berkeley, California, United States. ww2dbase [Main Article | CPC]
18 May 1920

United States
  • USS R-1 arrived at New London, Connecticut, United States. ww2dbase [Main Article | CPC]
  • USS R-5 arrived at Newport, Rhode Island, United States. ww2dbase [Main Article | CPC]
  • Joseph Stilwell began a period of leave in the United States. ww2dbase [Main Article | CPC]
24 May 1920

China
  • Isaburo Yamagata succeeded Gonsuke Hayashi as the Governor-General of Kwantung Leased Territory in northeastern China. ww2dbase [CPC]
25 May 1920
  • The Bolsheviks launched a general offensive all along the front in Ukraine. The treaty with Ukrainian leader Petlyura quickly proved worthless and the Poles, outflanked by the Red Armies, were forced to retreat. ww2dbase [AC]
31 May 1920

Japan
  • Masafumi Arima enrolled in gunnery school in Japan. ww2dbase [Main Article | CPC]
1 Jun 1920
  • Tennessee was commissioned into service. ww2dbase [Main Article | CPC]
United Kingdom
  • The first landing took place aboard carrier Eagle. ww2dbase [Main Article | CPC]
3 Jun 1920

Japan
  • Captain Hisashi Yoko was named the commanding officer of Settsu while the ship was undergoing overhaul at Kure, Japan. ww2dbase [Main Article | Facility | CPC]
4 Jun 1920
  • The US Army Reorganization Act made the Air Service a combatant arm of the army, with 1,516 officers and 16,000 men in a total force of 280,000; this legislation defeated hopes for an independent air arm similar to the RAF, but marked progress towards recognising aviation as an asset to be administered independently from ground forces; of the authorised strength, only 919 officers and 8,725 men were engaged. ww2dbase [AC]
5 Jun 1920

Korea
  • Tak Kyonghyong was born in Gyeongsangnam Province, Korea. ww2dbase [Main Article | CPC]
6 Jun 1920
  • Edward Brooks' son Edward, Jr. was born. ww2dbase [Main Article | CPC]
8 Jun 1920

Ukraine
  • The highest scoring Allied fighter ace of World War II, Ivan Kozhedub, was born at the village of Obrazheyevska in the Sumy region of the Ukraine. ww2dbase [AC]
10 Jun 1920

Poland
  • In Warsaw the Polish cabinet collapsed causing political turmoil and widespread panic; it would be two weeks before a new government was formed. Some factions pressed for peace negotiations with the Bolsheviks, but Pilsudski clung to the hope that the western Allies would come to Poland's assistance. ww2dbase [AC]
Ukraine
  • Kiev, Ukraine was evacuated by the Polish forces and the Bolsheviks marched in. ww2dbase [AC]
15 Jun 1920
  • A new border treaty between Germany and Denmark gave northern Schleswig to Denmark. ww2dbase [CPC]
16 Jun 1920

France
  • Jean de Lattre de Tassigny was made a Officier of the Ordre national de la Légion d'honneur. ww2dbase [Main Article | CPC]
20 Jun 1920
  • George Patton reverted to the permanent rank of captain. ww2dbase [Main Article | CPC]
25 Jun 1920

United States
  • USS Arizona arrived at New York City, New York, United States. ww2dbase [Main Article | CPC]
30 Jun 1920

United States
  • Henry Arnold reverted to his permanent rank of captain. ww2dbase [Main Article | CPC]
1 Jul 1920
  • George Patton was promoted to the permanent rank of major. ww2dbase [Main Article | CPC]
  • Ira Eaker was promoted to the rank of captain. ww2dbase [Main Article | CPC]
3 Jul 1920

United States
  • John Ford married Mary McBride Smith. ww2dbase [Main Article | CPC]
6 Jul 1920
  • Franklin Roosevelt was nominated as a candidate for US Vice President. ww2dbase [Main Article | CPC]
7 Jul 1920

Estonia
  • Finland recognized the Republic of Estonia. ww2dbase [CPC]
10 Jul 1920

Korea
  • Japanese Governor General of Korea Makoto Saito lead a ceremony at the General Government Building in Keijo (now Seoul) construction site, during which an engraved tablet was installed. ww2dbase [Main Article | CPC]
17 Jul 1920
  • USS Arizona was given the designation BB-39. ww2dbase [Main Article | CPC]
Poland
  • The Bolsheviks crossed into Polish territory and began their advance on Warsaw. ww2dbase [AC]
United States
  • USS R-5 was given the hull number of SS-82. ww2dbase [Main Article | CPC]
23 Jul 1920

French Syria and Lebanon
  • A French army under Henri Gourmand defeated the army of King Faisal's Independent Kingdom of Syria at Maysalun Pass about 12 miles west of Damascus. ww2dbase [AC]
25 Jul 1920

Russia
  • Semyon Timoshenko was awarded the Order of the Red Banner for the first time. ww2dbase [Main Article | CPC]
1 Aug 1920

Poland
  • Mikhail Tukhachevsky's Bolshevik offensive drove Józef Pilsudski's Polish Army out of Brest-Litovsk, Poland (now Brest, Belarus). ww2dbase [AC]
2 Aug 1920

France
  • François Flohic was born in Ploubazlanec, Bretagne, France. ww2dbase [Main Article | CPC]
Poland
  • Józef Pilsudski's Polish Army withdrew to Warsaw, Poland. Meanwhile Mikhail Tukhachevsky announced his intention that the Red Army would occupy the Polish capital on 12 Aug 1920. ww2dbase [AC]
4 Aug 1920

United States
  • The keel of Marblehead was laid down by William Cramp and Sons in Philadelphia, Pennsylvania, United States. ww2dbase [Main Article | CPC]
  • Joseph Stilwell ended a period of leave in the United States. ww2dbase [Main Article | CPC]
5 Aug 1920

United States
  • Joseph Stilwell boarded USAT Madawaska in California, United States. ww2dbase [Main Article | CPC]
6 Aug 1920

Kazakhstan
  • The Kirghiz Autonomous Soviet Socialist Republic was formed within Russia. ww2dbase [CPC]
Poland
  • Józef Pilsudski issued his orders for the battle to defend Warsaw, Poland to be carried out on 17 Aug 1920. ww2dbase [AC]
8 Aug 1920

Poland
  • Having captured Józef Pilsudski's plans from the body of a dead Polish officer, Mikhail Tukhachevsky (who regarded them as a hoax) issued his orders for the attack on Warsaw, Poland to be carried out on 14 Aug 1920, three days before Pilsudski planned to be ready. ww2dbase [AC]
11 Aug 1920

United States
  • Henry Arnold was promoted to the permanent rank of major and was transferred to the US Army Air Service by the US War Department Special Order No. 188-0. ww2dbase [Main Article | CPC]
16 Aug 1920
  • Polish Marshal Pilsudski launched a counter offensive in the Deblin sector in Poland. Every available Polish aircraft was thrown into action in support of the ground troops. Under the combined air-ground onslaught the Red fprces wavered and broke. ww2dbase [AC]
Korea
  • Lieutenant General Jiro Oba was named the commanding officer of the Japanese Chosen Army in occupied Korea, relieving Heitaro Utsunomiya. ww2dbase [CPC]
17 Aug 1920
  • Peace talks commenced between the Poles and Bolsheviks at Minsk, but progress slowly whilst the course of the battle remained undecided. ww2dbase [AC]
18 Aug 1920

Poland
  • Defeated, Mikhail Tukhachevsky's 15th, 3rd and 16th Armies were in full retreat, whilst his 4th Army was trapped by a Polish counter attack from Warsaw, Poland by Józef Pilsudski's 1st, 2nd and 5th Armies. ww2dbase [AC]
22 Aug 1920
  • The Polish spearhead reached the River Narew in eastern Poland, cutting off General Tukhachevsky's 4th Red Army from the bulk of the Soviet forces. ww2dbase [AC]
23 Aug 1920
  • USS Arizona was named the flagship of US Navy Battleship Division 7. ww2dbase [Main Article | CPC]
27 Aug 1920
  • The defeated 4th Red Army, broken by the Poles at Grodno-Wolkowsysk, fled in disorder. ww2dbase [AC]
29 Aug 1920

Japan United States
  • Owen Baggett was born in Graham, Texas, United States. ww2dbase [Main Article | CPC]
31 Aug 1920 Philippines
  • Joseph Stilwell disembarked USAT Madawaska at Manila, Philippine Islands. ww2dbase [Main Article | CPC]
2 Sep 1920

Latvia
  • The Russo-Polish peace talk moved to Riga, Latvia as the extent of the Bolshevik military defeat became known. ww2dbase [AC]
7 Sep 1920

Japan
11 Sep 1920

United States
  • Gordon Seagrave married Marion Grace Morse in the United States. ww2dbase [Main Article | CPC]
13 Sep 1920

United States
  • USS R-1 departed New London, Connecticut, United States for overhaul at Norfolk, Virginia, United States. ww2dbase [Main Article | CPC]
  • USS R-5 departed Newport, Rhode Island, United States for a scheduled overhaul at Norfolk, Virginia, United States. ww2dbase [Main Article | CPC]
Photo(s) dated 13 Sep 1920
Renown in Pedro Miguel Lock, Panama Canal, 13 Sep 1920
20 Sep 1920

China
  • Joseph Stilwell arrived in Beijing, China to study Chinese. ww2dbase [Main Article | CPC]
24 Sep 1920 United States
  • USS Reuben James was commissioned into service with Commander Gordon W. Hines in command. ww2dbase [Main Article | DS]
30 Sep 1920
  • McFarland was commissioned into service. ww2dbase [Main Article | CPC]
  • Quintin Brand began studies at Cambridge University in Britain. ww2dbase [Main Article | CPC]
1 Oct 1920

China
  • Vice Admiral Naoe Nakano succeeded Vice Admiral Tatsuo Matsumura as the commanding officer of the Ryojun Military Port (previously known as Port Arthur; now Lushunkou, Liaoning Province, China), Kwantung Leased Territory in northeastern China. ww2dbase [Main Article | CPC]
7 Oct 1920

Japan
  • Masafumi Arima married Fumiko Toya. ww2dbase [Main Article | CPC]
18 Oct 1920

Latvia
  • The Russo-Polish war was formally brought to an end with the signing of a peace treaty at Riga, Latvia. ww2dbase [AC]
20 Oct 1920

France
  • Paul Teste landed on Béarn, becoming the first French naval aviator to make a carrier landing. ww2dbase [Main Article | CPC]
29 Oct 1920
  • S-30 was commissioned into service. ww2dbase [Main Article | CPC]
1 Nov 1920

Japan
  • Kenkichi Ueda was awarded Order of the Rising Sun 3rd Class and Order of the Golden Kite 4th Class. ww2dbase [Main Article | CPC]
2 Nov 1920
  • Franklin Roosevelt was defeated as a US Vice Presidential candidate. ww2dbase [Main Article | CPC]
5 Nov 1920

Azerbaijan
  • Bruce Fraser departed Baku, Azerbaijian by rail under captivity. ww2dbase [Main Article | CPC]
7 Nov 1920

Georgia
  • Bruce Fraser arrived at Tiflis, Georgia by rail under captivity. ww2dbase [Main Article | CPC]
9 Nov 1920
  • Poland agreed not to enter any international agreements involving the soon-to-be-formed Free City of Danzig without Danzig's approval. ww2dbase [CPC]
11 Nov 1920
  • Walter Krupinski was born in Domnau, East Prussia, Germany. ww2dbase [Main Article | CPC]
12 Nov 1920

Turkey
  • Bruce Fraser departed Constantinople, Ottoman Empire aboard HMS Heliotrope. ww2dbase [Main Article | CPC]
15 Nov 1920 Danzig
  • The Free City of Danzig was created. ww2dbase [CPC]
20 Nov 1920

China
  • Rear Admiral Kenkichi Wada was named the chief of staff of Vice Admiral Naoe Nakano (Ryojun Military Port, northeastern China). ww2dbase [Main Article | CPC]
Japan
  • Captain Kazu Takemitsu was named the commanding officer of Settsu while the ship was undergoing overhaul at Kure, Japan. ww2dbase [Main Article | Facility | CPC]
21 Nov 1920
23 Nov 1920

Korea
  • Paik Sun-yup was born in Kangso-gun (now Nampho), Phyongannamdo, Korea. ww2dbase [Main Article | CPC]
26 Nov 1920

Australia
  • Edmund Herring arrived in Melbourne, Australia. ww2dbase [Main Article | CPC]
United Kingdom
  • Bruce Fraser arrived in Britain. ww2dbase [Main Article | CPC]
28 Nov 1920

Russia
  • Semyon Timoshenko was awarded the honorary sword to his Order of the Red Banner. ww2dbase [Main Article | CPC]
1 Dec 1920
  • Chuichi Nagumo was promoted to the rank of lieutenant commander and was named the commanding officer of destroyer Momi. ww2dbase [Main Article | CPC]
Japan
  • Prince Hiroyasu was named a member to the Supreme War Council. ww2dbase [Main Article | CPC]
  • Masafumi Arima was assigned to Kongo. ww2dbase [Main Article | CPC]
  • Engineering Rear Admiral Tamotsu Niratsuka was made the commanding officer of Maizuru Naval Arsenal in Kyoto Prefecture, Japan. ww2dbase [Main Article | CPC]
Korea
  • Vice Admiral Kazuyoshi Yamaji was named the commanding officer of Chinkai Guard District in southern Korea. ww2dbase [Main Article | CPC]
Taiwan
  • Admiral Naomi Taniguchi was named the commanding officer of the Mako naval port at Pescadores islands, Taiwan. ww2dbase [Main Article | CPC]
United Kingdom
  • Bruce Fraser greeted officers returning from Soviet captivity at Portsmouth, England, United Kingdom. ww2dbase [Main Article | CPC]
6 Dec 1920

Danzig
  • Heinrich Sahm became the first President of the Senate of Danzig. ww2dbase [CPC]
7 Dec 1920

Austria
  • The Luftwaffe fighter ace Walter Nowotny was born in Gmünd, Austria. The youngest of three sons of an Austrian railway official, during the war he would be credited with no less than 258 aerial victories and commanded the world's first jet fighter wing. ww2dbase [AC]
Germany
  • Nobutake Kondo arrived at Germany. ww2dbase [Main Article | CPC]
16 Dec 1920
20 Dec 1920
  • Werner von Blomberg was promoted to the rank of Oberstleutnant. ww2dbase [Main Article | CPC]
Russia
  • In the Soviet Union, the foreign intelligence section of OO (Special Department) was broken out, forming the INO (Foreign Department). ww2dbase [CPC]
31 Dec 1920

Estonia
  • Poland recognized the Republic of Estonia. ww2dbase [CPC]

Timeline Section Founder: Thomas Houlihan
Contributors: Alan Chanter, C. Peter Chen, Thomas Houlihan, David Stubblebine
Special Thanks: Rory Curtis




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Famous WW2 Quote
"Since peace is now beyond hope, we can but fight to the end."

Chiang Kaishek, 31 Jul 1937