This is a timeline of events of World War II in 1939, from the start of the war on 1 September 1939. For events preceding September 1, 1939, see the timeline of events preceding World War II. Nazi Germany's

invasion of Poland The invasion of Poland (1 September – 6 October 1939) was a joint attack on the Republic of Poland by Nazi Germany and the Soviet Union which marked the beginning of World War II. The German invasion began on 1 September 1939, one week af ...

on 1 September 1939, and Britain and France's declaration of war on Germany two days later marks the beginning of

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...

. After the declaration of war, western Europe saw very little land or air active military confrontation at first, and the period was termed the "

Phoney War The Phoney War (french: Drôle de guerre; german: Sitzkrieg) was an eight-month period at the start of World War II, during which there was only one limited military land operation on the Western Front, when French troops invaded Germa ...

". In eastern Europe, however, the agreement between the Soviet Union and Nazi Germany signed on 23 August opened the way in September for the Soviet Union's invasion of eastern Poland, which was divided between the two invaders before the end of the month. The Soviet Union starts a new military offensive by invading Finland at the end of November.

September

:1: The

Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeas ...

and the

Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent form ...

are involved in the early stages of the third year of armed conflict between them during the

Second Sino-Japanese War The Second Sino-Japanese War (1937–1945) or War of Resistance (Chinese term) was a military conflict that was primarily waged between the Republic of China and the Empire of Japan. The war made up the Chinese theater of the wider Pacific T ...

. The war is in what will be known as the "Second Period", which starts after the fall of Wuhan in October 1938 and ends in December 1941 with

Pearl Harbor Pearl Harbor is an American lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. It was often visited by the Naval fleet of the United States, before it was acquired from the Hawaiian Kingdom by the U.S. with the signing of the ...

. This conflict will eventually be swept up into

when Japan joins the

Axis An axis (plural ''axes'') is an imaginary line around which an object rotates or is symmetrical. Axis may also refer to: Mathematics * Axis of rotation: see rotation around a fixed axis * Axis (mathematics), a designator for a Cartesian-coordinat ...

and China joins the

Allies An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...

. :1: The

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwee ...

starts at 4:45 a.m. when the ''

Kriegsmarine The (, ) was the navy of Germany from 1935 to 1945. It superseded the Imperial German Navy of the German Empire (1871–1918) and the inter-war (1919–1935) of the Weimar Republic. The was one of three official branches, along with the a ...

battleship A battleship is a large armour, armored warship with a main artillery battery, battery consisting of large caliber guns. It dominated naval warfare in the late 19th and early 20th centuries. The term ''battleship'' came into use in the late 1 ...

Schleswig-Holstein Schleswig-Holstein (; da, Slesvig-Holsten; nds, Sleswig-Holsteen; frr, Slaswik-Holstiinj) is the northernmost of the 16 states of Germany, comprising most of the historical duchy of Holstein and the southern part of the former Duchy of Sc ...

'' opens fire on the Polish military transit depot at

Westerplatte Westerplatte is a peninsula in Gdańsk, Poland, located on the Baltic Sea coast mouth of the Dead Vistula (one of the Vistula delta estuaries), in the Gdańsk harbour channel. From 1926 to 1939, it was the location of a Polish Military Transi ...

in the

Free City of Danzig The Free City of Danzig (german: Freie Stadt Danzig; pl, Wolne Miasto Gdańsk; csb, Wòlny Gard Gduńsk) was a city-state under the protection of the League of Nations between 1920 and 1939, consisting of the Baltic Sea port of Danzig (now Gda ...

on the

Baltic Sea The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden and the North and Central European Plain. The sea stretches from 53°N to 66°N latitude and from ...

, but the attack is repulsed. At the same time the ''

Luftwaffe The ''Luftwaffe'' () was the aerial-warfare branch of the German '' Wehrmacht'' before and during World War II. Germany's military air arms during World War I, the '' Luftstreitkräfte'' of the Imperial Army and the '' Marine-Fliegerabt ...

'' attacks several targets in

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

, among them

Wieluń Wieluń ( la, Velun) is a town in south-central Poland with 21,624 inhabitants (2021). Situated in the Łódź Voivodeship (since 1999), it was previously in Sieradz Voivodeship (1975–1998). Wieluń has a long and rich history. In the past, ...

, the first town in the war to be carpet bombed by the Germans. Shortly before 6:00 a.m., the

German Army The German Army (, "army") is the land component of the armed forces of Germany. The present-day German Army was founded in 1955 as part of the newly formed West German ''Bundeswehr'' together with the ''Marine'' (German Navy) and the ''Luftwaf ...

passes the Polish border in great numbers from north and south, together with Slovak units. In the same day, the Free City of Danzig is

annexed Annexation (Latin ''ad'', to, and ''nexus'', joining), in international law, is the forcible acquisition of one state's territory by another state, usually following military occupation of the territory. It is generally held to be an illegal act ...

by Germany. Resisters entrenched in the city's Polish Post Office are overwhelmed. :1: The

Italian government The government of Italy is in the form of a democratic republic, and was established by a constitution in 1948. It consists of legislative, executive, and judicial subdivisions, as well as a Head of State, or President. The Italian Consti ...

announces that it will maintain a condition of " non-belligerence" in the conflict. :1:

Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , establish ...

Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, an ...

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bot ...

Latvia Latvia ( or ; lv, Latvija ; ltg, Latveja; liv, Leţmō), officially the Republic of Latvia ( lv, Latvijas Republika, links=no, ltg, Latvejas Republika, links=no, liv, Leţmō Vabāmō, links=no), is a country in the Baltic region of ...

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of ...

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...

and

Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic countries, Nordic c ...

immediately declare their neutrality. :1: The

House of Commons of the United Kingdom The House of Commons is the lower house of the Parliament of the United Kingdom. Like the upper house, the House of Lords, it meets in the Palace of Westminster in London, England. The House of Commons is an elected body consisting of 650 ...

passes an emergency military

budget A budget is a calculation play, usually but not always financial, for a defined period, often one year or a month. A budget may include anticipated sales volumes and revenues, resource quantities including time, costs and expenses, environme ...

. :1: The

British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...

War Secretary Leslie Hore-Belisha orders the

War Office The War Office was a department of the British Government responsible for the administration of the British Army between 1857 and 1964, when its functions were transferred to the new Ministry of Defence (MoD). This article contains text from ...

to begin the general

mobilization Mobilization is the act of assembling and readying military troops and supplies for war. The word ''mobilization'' was first used in a military context in the 1850s to describe the preparation of the Prussian Army. Mobilization theories an ...

of the

British Armed Forces The British Armed Forces, also known as His Majesty's Armed Forces, are the military forces responsible for the defence of the United Kingdom, its Overseas Territories and the Crown Dependencies. They also promote the UK's wider interests, s ...

. :1: In a mass evacuation effort (code named "operation Pied Piper") the British authorities relocate 1,473,000 children and adults from the cities to the countryside. The adults involved were teachers, people with disabilities and their helpers, mothers with preschool children. :1: Acting on account of their governments, the ambassadors of

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

and

Britain Britain most often refers to: * The United Kingdom, a sovereign state in Europe comprising the island of Great Britain, the north-eastern part of the island of Ireland and many smaller islands * Great Britain, the largest island in the United King ...

demand the German government to cease all hostile activities and to withdraw its troops from Poland. :1: The

President President most commonly refers to: *President (corporate title) * President (education), a leader of a college or university * President (government title) President may also refer to: Automobiles * Nissan President, a 1966–2010 Japanese ...

of the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

Franklin Delano Roosevelt Franklin Delano Roosevelt (; ; January 30, 1882April 12, 1945), often referred to by his initials FDR, was an American politician and attorney who served as the 32nd president of the United States from 1933 until his death in 1945. As the ...

sends an appeal to all

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

an powers involved in the crisis asking them to abstain from bombing civilian and unfortified cities. Germany's ''

Führer ( ; , spelled or ''Fuhrer'' when the umlaut is not available) is a German word meaning "leader" or " guide". As a political title, it is strongly associated with the Nazi dictator Adolf Hitler. Nazi Germany cultivated the ("leader princip ...

'',

Adolf Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Germany from 1933 until his death in 1945. He rose to power as the leader of the Nazi Party, becoming the chancellor in 1933 and the ...

, answers immediately assuring the

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

chargé d'affaires A ''chargé d'affaires'' (), plural ''chargés d'affaires'', often shortened to ''chargé'' (French) and sometimes in colloquial English to ''charge-D'', is a diplomat who serves as an embassy's chief of mission in the absence of the ambassado ...

'' Alexander C. Kirk that the ''Luftwaffe'' will only attack military targets. The British

Prime Minister A prime minister, premier or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. Under those systems, a prime minister is ...

Neville Chamberlain Arthur Neville Chamberlain (; 18 March 18699 November 1940) was a British politician of the Conservative Party who served as Prime Minister of the United Kingdom from May 1937 to May 1940. He is best known for his foreign policy of appeaseme ...

also promises to abide to the request, as does Poland's ambassador to the US Jerzy Antoni Potocki. :2: Right after Britain, the

French Parliament The French Parliament (french: Parlement français) is the bicameral legislature of the French Republic, consisting of the Senate () and the National Assembly (). Each assembly conducts legislative sessions at separate locations in Paris ...

also approves an emergency war budget. :2: The

and

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

governments agree on issuing an ultimatum to

the following day. :2: The

Swiss government The Federal Council (german: Bundesrat; french: Conseil fédéral; it, Consiglio federale; rm, Cussegl federal) is the executive body of the federal government of the Swiss Confederation and serves as the collective head of state and governme ...

orders a general mobilization of its forces. :2: The Irish State's

Dáil Éireann Dáil Éireann ( , ; ) is the lower house, and principal chamber, of the Oireachtas (Irish legislature), which also includes the President of Ireland and Seanad Éireann (the upper house).Article 15.1.2º of the Constitution of Ireland rea ...

approves a

state of emergency A state of emergency is a situation in which a government is empowered to be able to put through policies that it would normally not be permitted to do, for the safety and protection of its citizens. A government can declare such a state du ...

, paving the way to legislation that vastly enhances the

government A government is the system or group of people governing an organized community, generally a state. In the case of its broad associative definition, government normally consists of legislature, executive, and judiciary. Government i ...

's powers. :2: The

French Army History Early history The first permanent army, paid with regular wages, instead of feudal levies, was established under Charles VII of France, Charles VII in the 1420 to 1430s. The Kings of France needed reliable troops during and after the ...

begins its general

. :3: At 9:00 a.m. the British ambassador to Berlin

Nevile Henderson Sir Nevile Meyrick Henderson (10 June 1882 – 30 December 1942) was a British diplomat who served as the ambassador of the United Kingdom to Germany from 1937 to 1939. Early life and education Henderson was born at Sedgwick Park, near Horsha ...

is instructed by the

Cabinet Cabinet or The Cabinet may refer to: Furniture * Cabinetry, a box-shaped piece of furniture with doors and/or drawers * Display cabinet, a piece of furniture with one or more transparent glass sheets or transparent polycarbonate sheets * Filin ...

to deliver an ultimatum to Germany which expired without answer at 11:00 a.m. As a result at 11:15 a.m.

British Standard Time During British Summer Time (BST), civil time in the United Kingdom is advanced one hour forward of Greenwich Mean Time (GMT), in effect changing the time zone from UTC±00:00 to UTC+01:00, so that mornings have one hour less daylight, and ...

(BST) the Prime Minister

announces that Britain is at war with Germany. :3: The

National Service (Armed Forces) Act 1939 The National Service (Armed Forces) Act 1939 was enacted by the Parliament of the United Kingdom on 3 September 1939, the day the United Kingdom declared war on Germany at the start of the Second World War. It superseded the Military Training Act ...

is approved and enforces full conscription in the

on all able-bodied males between 18 and 41 resident in the UK. :3: In Britain, Chamberlain forms a new war ministry with a smaller and more powerful

war cabinet A war cabinet is a committee formed by a government in a time of war to efficiently and effectively conduct that war. It is usually a subset of the full executive cabinet of ministers, although it is quite common for a war cabinet to have senio ...

within composed of nine ministers (Chamberlain, Sir Samuel Hoare,

Sir John Simon John Allsebrook Simon, 1st Viscount Simon, (28 February 1873 – 11 January 1954), was a British politician who held senior Cabinet posts from the beginning of the First World War to the end of the Second World War. He is one of only three pe ...

Lord Halifax Edward Frederick Lindley Wood, 1st Earl of Halifax, (16 April 1881 – 23 December 1959), known as The Lord Irwin from 1925 until 1934 and The Viscount Halifax from 1934 until 1944, was a senior British Conservative politician of the 19 ...

, Leslie Hore-Belisha, Sir

Kingsley Wood Sir Howard Kingsley Wood (19 August 1881 – 21 September 1943) was a British Conservative politician. The son of a Wesleyan Methodist minister, he qualified as a solicitor, and successfully specialised in industrial insurance. He became a membe ...

, Lord Chatfield, Lord Hankey and

Winston Churchill Sir Winston Leonard Spencer Churchill (30 November 187424 January 1965) was a British statesman, soldier, and writer who served as Prime Minister of the United Kingdom twice, from 1940 to 1945 during the Second World War, and again from ...

). During its first meeting, the cabinet appoints general Sir Edmund Ironside as head of the

Chief of the Imperial General Staff The Chief of the General Staff (CGS) has been the title of the professional head of the British Army since 1964. The CGS is a member of both the Chiefs of Staff Committee and the Army Board. Prior to 1964, the title was Chief of the Imperial G ...

and general Viscount Gort head of the British Expeditionary Force. :3: The

British Viceroy The Governor-General of India (1773–1950, from 1858 to 1947 the Viceroy and Governor-General of India, commonly shortened to Viceroy of India) was the representative of the monarch of the United Kingdom and after Indian independence in 19 ...

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...

Lord Linlithgow also declares war on Germany without consulting

Indian nationalists Indian nationalism is an instance of territorial nationalism, which is inclusive of all of the people of India, despite their diverse ethnic, linguistic and religious backgrounds. Indian nationalism can trace roots to pre-colonial India, ...

. :3: The

Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...

n Prime Minister

Robert Menzies The name Robert is an ancient Germanic given name, from Proto-Germanic "fame" and "bright" (''Hrōþiberhtaz''). Compare Old Dutch ''Robrecht'' and Old High German ''Hrodebert'' (a compound of '' Hruod'' ( non, Hróðr) "fame, glory, honou ...

declares that the country is at war with Germany due to Britain's choice, and a similar war declaration against Germany is made by

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island coun ...

's government. :3: At 12:00 p.m. the

French Government The Government of France ( French: ''Gouvernement français''), officially the Government of the French Republic (''Gouvernement de la République française'' ), exercises executive power in France. It is composed of the Prime Minister, who ...

delivers a similar final ultimatum to Germany which at 5:00 p.m. also expires unanswered, thus bringing France in the war. :3: Within hours of the British declaration of War, , a British cruise ship en route from

Glasgow Glasgow ( ; sco, Glesca or ; gd, Glaschu ) is the most populous city in Scotland and the fourth-most populous city in the United Kingdom, as well as being the 27th largest city by population in Europe. In 2020, it had an estimated popu ...

, UK, to

Montreal Montreal ( ; officially Montréal, ) is the second-most populous city in Canada and most populous city in the Canadian province of Quebec. Founded in 1642 as '' Ville-Marie'', or "City of Mary", it is named after Mount Royal, the triple- ...

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...

, is torpedoed by the

German submarine U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare rol ...

Northwest of Ireland. 112 passengers and crew members are killed. The "

Battle of the Atlantic The Battle of the Atlantic, the longest continuous military campaign in World War II, ran from 1939 to the defeat of Nazi Germany in 1945, covering a major part of the naval history of World War II. At its core was the Allies of World War II, ...

" starts. :3: "Bloody Sunday": accused of having shot at Polish troops, about 1,000 ethnic German civilians are killed in the Polish city of

Bydgoszcz Bydgoszcz ( , , ; german: Bromberg) is a city in northern Poland, straddling the meeting of the River Vistula with its left-bank tributary, the Brda. With a city population of 339,053 as of December 2021 and an urban agglomeration with mor ...

. :3:

Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...

Taoiseach The Taoiseach is the head of government, or prime minister, of Ireland. The office is appointed by the president of Ireland upon the nomination of Dáil Éireann (the lower house of the Oireachtas, Ireland's national legislature) and the of ...

Éamon de Valera Éamon de Valera (, ; first registered as George de Valero; changed some time before 1901 to Edward de Valera; 14 October 1882 – 29 August 1975) was a prominent Irish statesman and political leader. He served several terms as head of govern ...

declares the nation's neutrality. :3:

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

and

Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to ...

declare their neutrality. :3: German authorities order U-boats to immediately take action against all British ships, but sparing French ships and in strict observance of

prize rules In admiralty law prizes are equipment, vehicles, vessels, and cargo captured during armed conflict. The most common use of ''prize'' in this sense is the capture of an enemy ship and her cargo as a prize of war. In the past, the capturing force ...

. :3: The Polish

destroyer In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed ...

ORP Wicher and the

minelayer A minelayer is any warship, submarine or military aircraft deploying explosive mines. Since World War I the term "minelayer" refers specifically to a naval ship used for deploying naval mines. "Mine planting" was the term for installing control ...

ORP Gryf are sunk in the Polish port of Hel by the ''Luftwaffe'', making them the first warships to be sunk in the war. :3: In Britain's first military action, the

Royal Air Force The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) an ...

Bomber Command Bomber Command is an organisational military unit, generally subordinate to the air force of a country. The best known were in Britain and the United States. A Bomber Command is generally used for strategic bombing (although at times, e.g. during t ...

sends out 27 planes to bomb the ''Kriegsmarine'', but they turn back before having been able to find any targets. Overnight ten Whitleys made the first of many 'nickel raids' in

Bremen Bremen ( Low German also: ''Breem'' or ''Bräm''), officially the City Municipality of Bremen (german: Stadtgemeinde Bremen, ), is the capital of the German state Free Hanseatic City of Bremen (''Freie Hansestadt Bremen''), a two-city-state cons ...

Hamburg Hamburg (, ; nds, label=Hamburg German, Low Saxon, Hamborg ), officially the Free and Hanseatic City of Hamburg (german: Freie und Hansestadt Hamburg; nds, label=Low Saxon, Friee un Hansestadt Hamborg),. is the List of cities in Germany by popul ...

and the

Ruhr The Ruhr ( ; german: Ruhrgebiet , also ''Ruhrpott'' ), also referred to as the Ruhr area, sometimes Ruhr district, Ruhr region, or Ruhr valley, is a polycentric urban area in North Rhine-Westphalia, Germany. With a population density of 2,800/km ...

in which the planes dropped propaganda leaflets. :3: Further answering to Roosevelt's plea the British and French present a joint formal declaration stating that the Allied bombers would attack only military targets unless Germany begins indiscriminate civilian bombings. :4: At 8:00 a.m.

Newfoundland Standard Time The Newfoundland Time Zone (NT) is a geographic region that keeps time by subtracting 3.5 hours from Coordinated Universal Time ( UTC) during standard time, resulting in UTC−03:30; or subtracting 2.5 hours during daylight saving time. The clo ...

(NST),

Dominion of Newfoundland Newfoundland was a British dominion in eastern North America, today the modern Canadian province of Newfoundland and Labrador. It was established on 26 September 1907, and confirmed by the Balfour Declaration of 1926 and the Statute of Westmi ...

declares war on Germany. :4: In Poland the Third German Army from

East Prussia East Prussia ; german: Ostpreißen, label= Low Prussian; pl, Prusy Wschodnie; lt, Rytų Prūsija was a province of the Kingdom of Prussia from 1773 to 1829 and again from 1878 (with the Kingdom itself being part of the German Empire from 187 ...

links with units from German

Western Pomerania Historical Western Pomerania, also called Cispomerania, Fore Pomerania, Front Pomerania or Hither Pomerania (german: Vorpommern), is the western extremity of the historic region of Pomerania forming the southern coast of the Baltic Sea, West ...

, thus covering the

Danzig Corridor The Polish Corridor (german: Polnischer Korridor; pl, Pomorze, Polski Korytarz), also known as the Danzig Corridor, Corridor to the Sea or Gdańsk Corridor, was a territory located in the region of Pomerelia ( Pomeranian Voivodeship, easter ...

. :4: In the first British raid of the war, the

's send 15

Blenheim Blenheim ( ) is the English name of Blindheim, a village in Bavaria, Germany, which was the site of the Battle of Blenheim in 1704. Almost all places and other things called Blenheim are named directly or indirectly in honour of the battle. Places ...

bombers to launch a bombing raid on the German fleet in the

Heligoland Bight The Heligoland Bight, also known as Helgoland Bight, (german: Helgoländer Bucht) is a bay which forms the southern part of the German Bight, itself a bay of the North Sea, located at the mouth of the Elbe river. The Heligoland Bight extends f ...

. They target the German pocket-battleship ''Admiral Scheer'' and the

light cruiser A light cruiser is a type of small or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck. Prior to th ...

''Emden'' anchored off

Wilhelmshaven Wilhelmshaven (, ''Wilhelm's Harbour''; Northern Low Saxon: ''Willemshaven'') is a coastal town in Lower Saxony, Germany. It is situated on the western side of the Jade Bight, a bay of the North Sea, and has a population of 76,089. Wilhelmsh ...

. Seven aircraft are lost in the attack and, although the ''Admiral Scheer'' is hit three times, all of the bombs fail to explode. :4: Japan's

Nobuyuki Abe was a general in the Imperial Japanese Army, Governor-General of Korea, and Prime Minister of Japan. Early life and military career Abe was born on November 24, 1875, in Kanazawa, Ishikawa Prefecture, the son of former samurai Abe Nobumitsu. H ...

announces its country's neutrality in the European situation. :4:

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = '' Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , ...

caudillo A ''caudillo'' ( , ; osp, cabdillo, from Latin , diminutive of ''caput'' "head") is a type of personalist leader wielding military and political power. There is no precise definition of ''caudillo'', which is often used interchangeably with " ...

Francisco Franco Francisco Franco Bahamonde (; 4 December 1892 – 20 November 1975) was a Spanish general who led the Nationalist forces in overthrowing the Second Spanish Republic during the Spanish Civil War and thereafter ruled over Spain from 193 ...

states that he will observe "strict neutrality" in the conflict. :4:

Lithuania Lithuania (; lt, Lietuva ), officially the Republic of Lithuania ( lt, Lietuvos Respublika, links=no ), is a country in the Baltic region of Europe. It is one of three Baltic states and lies on the eastern shore of the Baltic Sea. Lithuania ...

proclaims its neutrality in the conflict. :4: The South African

Barry Hertzog motion to remain neutral in the war is defeated in the Assembly 80 votes against 67. At this point, Hertzog goes to the

Governor-General Governor-general (plural ''governors-general''), or governor general (plural ''governors general''), is the title of an office-holder. In the context of governors-general and former British colonies, governors-general are appointed as viceroy t ...

Patrick Duncan Patrick Duncan may refer to: *Sir Patrick Duncan (South African politician) (1870–1943), Governor-General of South Africa * Patrick Sheane Duncan (born 1947), American writer, film producer and director *Paddy Duncan (1894–1949), Irish footbal ...

and asks him to call a new election, which Duncan refuses. :4: The first advance parties of the British Expeditionary Force arrive in France. :4: After the sinking of the ''Athenia'' Hitler forbids any attack on passenger ships. :5: Duncan calls on the politician

Jan Smuts Field Marshal Jan Christian Smuts, (24 May 1870 11 September 1950) was a South African statesman, military leader and philosopher. In addition to holding various military and cabinet posts, he served as prime minister of the Union of South Af ...

to attempt to form a Cabinet and replace Hertzog as Prime Minister of South Africa, which he successfully does. :5: The

Kingdom of Yugoslavia The Kingdom of Yugoslavia ( sh-Latn-Cyrl, separator=" / ", Kraljevina Jugoslavija, Краљевина Југославија; sl, Kraljevina Jugoslavija) was a state in Southeast and Central Europe that existed from 1918 until 1941. From 191 ...

states its neutrality. :5: The British freighter SS ''Bosnia'' becomes the first merchant ship sunk in the battle of the Atlantic when it gets targeted off the coast of Portugal by the U-boat U-47. :5: The United States publicly declares neutrality. On the same day the

American President The president of the United States (POTUS) is the head of state and head of government of the United States of America. The president directs the executive branch of the federal government and is the commander-in-chief of the United States ...

Franklin D. Roosevelt orders to put together a

Neutrality Patrol On September 3, 1939, the British and French declarations of war on Germany initiated the Battle of the Atlantic. The United States Navy Chief of Naval Operations (CNO) established a combined air and ship patrol of the United States Atlantic coa ...

which must observe and report any belligerent forces by patrolling the United States Atlantic coast and the Caribbean. :6:

South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring coun ...

, now under Prime Minister Jan Smuts, declares war on Germany. :6: In the so-called

battle of Barking Creek The Battle of Barking Creek was a friendly fire incident over England on that caused the first death of a British fighter pilot in the Second World War. Battle At on 6 September 1939, a radar fault led to a false alarm that unidentified airc ...

, a

friendly fire In military terminology, friendly fire or fratricide is an attack by belligerent or neutral forces on friendly troops while attempting to attack enemy/hostile targets. Examples include misidentifying the target as hostile, cross-fire while en ...

incident, due to the misidentification as hostile of an incoming team of eleven

Hurricanes A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depend ...

, two aircraft are shot down and the first British

fighter pilot A fighter pilot is a military aviator trained to engage in air-to-air combat, air-to-ground combat and sometimes electronic warfare while in the cockpit of a fighter aircraft. Fighter pilots undergo specialized training in aerial warfare and ...

killed. :6: The

German army The German Army (, "army") is the land component of the armed forces of Germany. The present-day German Army was founded in 1955 as part of the newly formed West German ''Bundeswehr'' together with the ''Marine'' (German Navy) and the ''Luftwaf ...

occupies Kraków in the south of Poland; Polish army is in general retreat. :6: As a protection against U-boats, the

Admiralty Admiralty most often refers to: *Admiralty, Hong Kong *Admiralty (United Kingdom), military department in command of the Royal Navy from 1707 to 1964 *The rank of admiral *Admiralty law Admiralty can also refer to: Buildings * Admiralty, Traf ...

orders to adopt the

convoy A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support and can help maintain cohesion within a unit. It may also be used ...

system. :6: The British fleet starts the naval blockade on shipping directed to Germany by the implementation of the

Northern Patrol The Northern Patrol, also known as Cruiser Force B and the Northern Patrol Force, was an operation of the British Royal Navy during the First World War and Second World War. The Patrol was part of the British "distant" blockade of Germany. Its ma ...

. :7: France's commander in chief

general A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". O ...

Maurice Gamelin begins a limited offensive into the German

Saarland The Saarland (, ; french: Sarre ) is a state of Germany in the south west of the country. With an area of and population of 990,509 in 2018, it is the smallest German state in area apart from the city-states of Berlin, Bremen, and Hamburg, a ...

territory involving ten divisions. :7: The

National Registration Act 1939 The National Registration Act 1939 was an Act of Parliament in the United Kingdom. The initial National Registration Bill was introduced to Parliament as an emergency measure at the start of the Second World War. The Act provided for the estab ...

is passed in Britain introducing identity cards and allowing the government to control labour. :8: Britain establishes the

Ministry of Food An agriculture ministry (also called an) agriculture department, agriculture board, agriculture council, or agriculture agency, or ministry of rural development) is a ministry charged with agriculture. The ministry is often headed by a minister ...

to monitor the supply and distribution of food. :8: Roosevelt proclaims "a limited national emergency", increasing military spending and expanding the size of the

United States Armed Forces The United States Armed Forces are the military forces of the United States. The armed forces consists of six service branches: the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard. The president of the United States is ...

. :8: The Germans begin what will be the systematic mining of the British waters by the mining of

Portland Harbour Portland Harbour is located beside the Isle of Portland, Dorset, on the south coast of England. Construction of the harbour began in 1849; when completed in 1872, its surface area made it the largest man-made harbour in the world, and remai ...

. :9: The French

Saar Offensive The Saar Offensive was a French invasion of Saarland, Germany, in the first stages of World War II, from 7 to 16 September 1939. The original plans called for 40 divisions, and one armored division, three mechanised divisions, 78 artillery r ...

stalls at the heavily mined Warndt Forest having advanced approximately into lightly defended German territory. :10: After passing both

Houses A house is a single-unit residential building. It may range in complexity from a rudimentary hut to a complex structure of wood, masonry, concrete or other material, outfitted with plumbing, electrical, and heating, ventilation, and air condi ...

of the

Canadian parliament The Parliament of Canada (french: Parlement du Canada) is the federal legislature of Canada, seated at Parliament Hill in Ottawa, and is composed of three parts: the King, the Senate, and the House of Commons. By constitutional convention, the ...

by unanimous consent

W. L. Mackenzie King declares war on Germany. :10:

Warsaw Warsaw ( pl, Warszawa, ), officially the Capital City of Warsaw,, abbreviation: ''m.st. Warszawa'' is the capital and largest city of Poland. The metropolis stands on the River Vistula in east-central Poland, and its population is officiall ...

is hit for the first time by

bombing raids Strategic bombing is a military strategy used in total war with the goal of defeating the enemy by destroying its morale, its economic ability to produce and transport materiel to the theatres of military operations, or both. It is a systematica ...

. In just that single day twelve raids target the city. :10: The first submarine is sunk in the conflict when the British submarine HMS ''Triton'' sinks the British

submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...

HMS ''Oxley'' mistaking her for a U-Boat, leaving only two survivors. :11:

Viceroy of India The Governor-General of India (1773–1950, from 1858 to 1947 the Viceroy and Governor-General of India, commonly shortened to Viceroy of India) was the representative of the monarch of the United Kingdom and after Indian independence in 19 ...

Lord Linlithgow announces to the two houses of the Indian Legislature (the

Council of State A Council of State is a governmental body in a country, or a subdivision of a country, with a function that varies by jurisdiction. It may be the formal name for the cabinet or it may refer to a non-executive advisory body associated with a head o ...

and the Legislative Assembly) that due to India's participation in the war, the plans for the Federation of India under the

Government of India Act 1935 The Government of India Act, 1935 was an Act adapted from the Parliament of the United Kingdom. It originally received royal assent in August 1935. It was the longest Act of (British) Parliament ever enacted until the Greater London Authority ...

will be indefinitely postponed. :12: General Gamelin orders to halt to the French

into Germany after having taken only a handful of villages. :13: The

French Navy The French Navy (french: Marine nationale, lit=National Navy), informally , is the maritime arm of the French Armed Forces and one of the five military service branches of France. It is among the largest and most powerful naval forces in t ...

suffers its first casualties in

Casablanca Casablanca, also known in Arabic as Dar al-Bayda ( ar, الدَّار الْبَيْضَاء, al-Dār al-Bayḍāʾ, ; ber, ⴹⴹⴰⵕⵍⴱⵉⴹⴰ, ḍḍaṛlbiḍa, : "White House") is the largest city in Morocco and the country's econom ...

Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to A ...

, when the minelaying cruiser ''Pluton'' explodes due to an accident killing 215 people. :14: British Destroyers escorting the

aircraft carrier An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically, it is the capital ship of a fleet, as it allows a ...

sink the '' U-39'' after the U-boat's torpedoes against the

carrier Carrier may refer to: Entertainment * ''Carrier'' (album), a 2013 album by The Dodos * ''Carrier'' (board game), a South Pacific World War II board game * ''Carrier'' (TV series), a ten-part documentary miniseries that aired on PBS in April 20 ...

didn't explode. All crew members were rescued and taken prisoner. It was the first sinking of a German U-boat in WW II. :15: The Polish Army is ordered to hold out at the Romanian border until the Allies arrive. :15: The

Kingdom of Bulgaria The Tsardom of Bulgaria ( bg, Царство България, translit=Tsarstvo Balgariya), also referred to as the Third Bulgarian Tsardom ( bg, Трето Българско Царство, translit=Treto Balgarsko Tsarstvo, links=no), someti ...

formally announces its neutrality. :16: The

complete the encirclement of Warsaw. :16: The first eastbound transatlantic convoy sets sail from Halifax, Canada, towards

Liverpool Liverpool is a City status in the United Kingdom, city and metropolitan borough in Merseyside, England. With a population of in 2019, it is the List of English districts by population, 10th largest English district by population and its E ...

, UK. 357 such HX convoys will follow. :17: The

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nationa ...

invades Poland from the east, occupying the territory east of the

Curzon line The Curzon Line was a proposed demarcation line between the Second Polish Republic and the Soviet Union, two new states emerging after World War I. It was first proposed by The 1st Earl Curzon of Kedleston, the British Foreign Secretary, ...

as well as

Białystok Białystok is the largest city in northeastern Poland and the capital of the Podlaskie Voivodeship. It is the tenth-largest city in Poland, second in terms of population density, and thirteenth in area. Białystok is located in the Białystok U ...

and Eastern

Galicia Galicia may refer to: Geographic regions * Galicia (Spain), a region and autonomous community of northwestern Spain ** Gallaecia, a Roman province ** The post-Roman Kingdom of the Suebi, also called the Kingdom of Gallaecia ** The medieval King ...

. :17: The British aircraft carrier HMS ''Courageous'' is torpedoed and sunk by '' U-29'' on patrol off the coast of Ireland, causing the death of 514 aboard; it represented the first major warship to be sunk in the war. :17: The

Imperial Japanese Army The was the official ground-based armed force of the Empire of Japan from 1868 to 1945. It was controlled by the Imperial Japanese Army General Staff Office and the Ministry of the Army, both of which were nominally subordinate to the Emper ...

launches attacks on the Chinese city of

Changsha Changsha (; ; ; Changshanese pronunciation: (), Standard Mandarin pronunciation: ) is the capital and the largest city of Hunan Province of China. Changsha is the 17th most populous city in China with a population of over 10 million, an ...

, when their forces in northern Jiangxi attacked westward toward Henan. :18: Polish President Ignacy Mościcki and Commander-in-Chief

Edward Rydz-Śmigły Marshal Edward Rydz-Śmigły (11 March 1886 – 2 December 1941; nom de guerre ''Śmigły, Tarłowski, Adam Zawisza''), also called Edward Śmigły-Rydz, was a Polish politician, statesman, Marshal of Poland and Commander-in-Chief of Poland ...

leave Poland for

, where they are both interned; Russian forces reach

Vilnius Vilnius ( , ; see also other names) is the capital and largest city of Lithuania, with a population of 592,389 (according to the state register) or 625,107 (according to the municipality of Vilnius). The population of Vilnius's functional urb ...

and Brest-Litovsk. Polish submarine ''Orzeł'' escapes from

Tallinn Tallinn () is the most populous and capital city of Estonia. Situated on a bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, Tallinn has a population of 437,811 (as of 2022) and administratively lies in the Harju ' ...

;

's neutrality is questioned by the Soviet Union and Germany. :18: The French Army completes its sixteen-day long mobilization. :19: The German and Soviet armies link up near

Brest Litovsk Brest ( be, Брэст / Берасьце, Bieraście, ; russian: Брест, ; uk, Берестя, Berestia; lt, Brasta; pl, Brześć; yi, בריסק, Brisk), formerly Brest-Litovsk (russian: Брест-Литовск, lit=Lithuanian Br ...

. :19: Soviet Union blockades the harbour of Tallinn, the capital of Estonia. :19: The

Japanese Imperial Army The was the official ground-based armed force of the Empire of Japan from 1868 to 1945. It was controlled by the Imperial Japanese Army General Staff Office and the Ministry of the Army, both of which were nominally subordinate to the Emperor ...

attacks the Chinese National Revolutionary Army along the Xinqiang River using

poison gas Many gases have toxic properties, which are often assessed using the LC50 (median lethal dose) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or perman ...

during the Battle of Changsha. :20:

is sunk with depth charges from the British destroyers and . :21: Romanian Prime Minister

Armand Călinescu Armand Călinescu (4 June 1893 – 21 September 1939) was a Romanian economist and politician, who served as 39th Prime Minister from March 1939 until his assassination six months later. He was a staunch opponent of the fascist Iron Guard and m ...

is assassinated by the Iron Guard, an ultra-nationalistic group in Romania. :23: The

drive the Chinese National Revolutionary Army out of the

Xiangjiang River The Xiang River is the chief river of the Lake Dongting drainage system of the middle Yangtze, the largest river in Hunan Province, China. It is the 2nd largest tributary (after Min River) in terms of surface runoff, the 5th largest tributar ...

area, and the 6th and 13th Divisions cross the river under artillery cover and advances further south along the

Miluo River The Miluo River (, and with modified Wade–Giles using the form Mi-lo) is located on the eastern bank of Dongting Lake, the largest tributary of the Xiang River in the northern Hunan Province. It is an important river in the Dongting Lake watershe ...

during the Battle of Changsha. :24: The

Führer der Unterseeboote The post of ''Führer der Unterseeboote (FdU)'' ("Leader of the U-boats") was the senior commanding officer of U-boat forces in a theatre of war. The submarine service in the Kaiserliche Marine of World War I and the Kriegsmarine of World War II, u ...

Karl Dönitz greatly relaxes prize rules ordering the sinking without warning of merchant ships that send signals by radio and the attack on smaller Allied passenger ships. He also opens the war on French shipping. :24: Soviet air force violates Estonian airspace. The Estonians negotiate with Molotov in Moscow. Molotov warns the Estonians that if the Soviet Union doesn't get military bases in Estonia, it will be forced to use "more radical actions". :25: German home front measures begin with food rationing. :25: At the opening in

Panama City Panama City ( es, Ciudad de Panamá, links=no; ), also known as Panama (or Panamá in Spanish), is the capital and largest city of Panama. It has an urban population of 880,691, with over 1.5 million in its metropolitan area. The city is locat ...

of the Pan-American conference of ministers of foreign affairs the U.S. Under Secretary of State Sumner Welles asks for their support of a Patrol Zone covering the Americas. :25: Soviet air activity in Estonia. Soviet troops along the Estonian border include 600 tanks, 600 aircraft and 160 000 men. :26: Following a massive artillery bombardment, the Germans launch a major infantry assault on the centre of Warsaw. :26: Russian bombers seen in the Tallinn sky. :26: The ''

'' attacks the Home Fleet between

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the ...

and the

Skaggerak The Skagerrak (, , ) is a strait running between the Jutland peninsula of Denmark, the southeast coast of Norway and the west coast of Sweden, connecting the North Sea and the Kattegat sea area through the Danish Straits to the Baltic Sea. The ...

with limited success; on the occasion a

Dornier Do 18 The Dornier Do 18 was a development of the Do 16 flying boat. It was developed for the ''Luftwaffe'', but ''Luft Hansa'' received five aircraft and used these for tests between the Azores and the North American continent in 1936 and on their ma ...

is shot down by a

Fleet Air Arm The Fleet Air Arm (FAA) is one of the five fighting arms of the Royal Navy and is responsible for the delivery of naval air power both from land and at sea. The Fleet Air Arm operates the F-35 Lightning II for maritime strike, the AW159 Wil ...

Blackburn Skua The Blackburn B-24 Skua was a carrier-based low-wing, two-seater, single- radial engine aircraft by the British aviation company Blackburn Aircraft. It was the first Royal Navy carrier-borne all-metal cantilever monoplane aircraft, as well as t ...

from the aircraft carrier HMS ''Ark Royal'', making it the first German plane shot down by the British. :26: Hitler orders the

pocket battleships The ''Deutschland'' class was a series of three ''Panzerschiffe'' (armored ships), a form of heavily armed cruiser, built by the ''Reichsmarine'' officially in accordance with restrictions imposed by the Treaty of Versailles. The ships of the c ...

Deutschland Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated between ...

'' and '' Admiral Graf Spee'' to go on a long-range rampage in the

Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe an ...

against

allied An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...

shipping Freight transport, also referred as ''Freight Forwarding'', is the physical process of transporting Commodity, commodities and merchandise goods and cargo. The term shipping originally referred to transport by sea but in American English, it h ...

, the former going to the Northern Atlantic and the latter to the Southern. :27: In the first offensive operations by the German Army in Western Europe, guns on the Siegfried Line open up on villages behind French Maginot line. :28: German–Soviet Frontier Treaty is signed by Molotov and Ribbentrop. The secret protocol specifies the details of partition of Poland originally defined in

Molotov–Ribbentrop Pact The Molotov–Ribbentrop Pact was a non-aggression pact between Nazi Germany and the Soviet Union that enabled those powers to partition Poland between them. The pact was signed in Moscow on 23 August 1939 by German Foreign Minister Joachim von Ri ...

(August 23, 1939) and adds Lithuania to the Soviet Union sphere of interest. :28: The remaining Polish army and militia in the centre of

capitulate to the Germans. :28: Soviet troops mass by the Latvian border. Latvian air space violated. :28:

signs a 10-year Mutual Assistance Pact with the Soviet Union, which allows the Soviets to have 30 000-men military bases in Estonia. As a gift in return Stalin promises to respect Estonian independence. :29: The

reaches the outskirts of

. However, it is unable to conquer the city because its supply lines are cut off by the Chinese National Revolutionary Army. :30:

Captain Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police department, election precinct, e ...

Lagsdorff's ''Admiral Graf Spee'' sinks its first merchant ship, the

freighter SS ''Clement'' while off the coast of

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. :30: French forces on the French-German border fall back to the Maginot Line in anticipation of a German invasion.

October

:1: Latvian representatives negotiate with

Stalin Joseph Vissarionovich Stalin (born Ioseb Besarionis dze Jughashvili; – 5 March 1953) was a Georgian revolutionary and Soviet political leader who led the Soviet Union from 1924 until his death in 1953. He held power as General Secretar ...

and Molotov. Soviets threaten an occupation by force if they do not get military bases in Latvia. :2: The Declaration of Panama is approved by the American republics. Belligerent activities should not take place within waters adjacent to the American continent. A neutrality zone of some in breadth is to be patrolled by the

U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...

. :3: British forces move to take over part of the frontier defenses manned by French troops. :3: Lithuanians meet

and Molotov in

Moscow Moscow ( , US chiefly ; rus, links=no, Москва, r=Moskva, p=mɐskˈva, a=Москва.ogg) is the capital and largest city of Russia. The city stands on the Moskva River in Central Russia, with a population estimated at 13.0 million ...

. Stalin offers

the city of

(in Poland) in return for allowing Soviet military bases in Lithuania. The Lithuanians are reluctant. :4: The

French forces The French Armed Forces (french: Forces armées françaises) encompass the Army, the Navy, the Air and Space Force and the Gendarmerie of the French Republic. The President of France heads the armed forces as Chief of the Armed Forces. France ...

retreat from the

in Germany, and return behind the Maginot Line. :5:

signs a 10-year Mutual Assistance Pact with the Soviet Union, which allows the Soviets to have 25,000 men in military bases in Latvia. Stalin promises to respect Latvian independence. :5: Reacting to the news that German surface raiders are targeting commercial shipping, the British

First Sea Lord The First Sea Lord and Chief of the Naval Staff (1SL/CNS) is the military head of the Royal Navy and Naval Service of the United Kingdom. The First Sea Lord is usually the highest ranking and most senior admiral to serve in the British Armed Fo ...

Sir

Dudley Pound Admiral of the Fleet Sir Alfred Dudley Pickman Rogers Pound, (29 August 1877 – 21 October 1943) was a British senior officer of the Royal Navy. He served in the First World War as a battleship commander, taking part in the Battle of Jutland ...

orders to create together with the French eight hunting forces to scout the Atlantic and destroy the surface raiders. :6: Chinese army reportedly defeats the Japanese at the Battle of Changsha. :6: Polish resistance in the

Polish September Campaign The invasion of Poland (1 September – 6 October 1939) was a joint attack on the Republic of Poland by Nazi Germany and the Soviet Union which marked the beginning of World War II. The German invasion began on 1 September 1939, one week af ...

comes to an end.

Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Nazi Germany, Germany from 1933 until Death of Adolf Hitler, his death in 1945. Adolf Hitler's rise to power, He rose to power as the le ...

speaks before the Reichstag, declaring a desire for a conference with Britain and France to restore peace. :9: Germany issues orders (

Case Yellow The Battle of France (french: bataille de France) (10 May – 25 June 1940), also known as the Western Campaign ('), the French Campaign (german: Frankreichfeldzug, ) and the Fall of France, was the Nazi Germany, German invasion of French Third Rep ...

) to prepare for the invasion of

, France,

Luxembourg Luxembourg ( ; lb, Lëtzebuerg ; french: link=no, Luxembourg; german: link=no, Luxemburg), officially the Grand Duchy of Luxembourg, ; french: link=no, Grand-Duché de Luxembourg ; german: link=no, Großherzogtum Luxemburg is a small lan ...

, and the

. :9: The German cruiser ''Deutschland'' seizes the American freighter SS ''City of Flint'' and its crew, accusing them of contraband. Led by a

prize crew A prize crew is the selected members of a ship chosen to take over the operations of a captured ship. Prize crews were required to take their prize to appropriate prize courts, which would determine whether the ship's officers and crew had suffici ...

the ship is ordered to go to Germany, causing a diplomatic incident with the United States and igniting American public opinion. :10: The last of Poland's military surrenders to the Germans. :10: The leaders of the German navy suggest to

they need to occupy

. :10: British Prime Minister

Chamberlain Chamberlain may refer to: Profession *Chamberlain (office), the officer in charge of managing the household of a sovereign or other noble figure People *Chamberlain (surname) **Houston Stewart Chamberlain (1855–1927), German-British philosop ...

formally declines Hitler's peace offer in a speech held in the

House of Commons The House of Commons is the name for the elected lower house of the bicameral parliaments of the United Kingdom and Canada. In both of these countries, the Commons holds much more legislative power than the nominally upper house of parliament. ...

. :10: Lithuania signs a 15-year Mutual Assistance Pact with the Soviet Union, which allows the Soviets to have 20,000 men in military bases in Lithuania. In a secret protocol, Vilnius is made Lithuanian territory. :11: An estimated 158,000 British troops are now in France. :12:

Adolf Eichmann Otto Adolf Eichmann ( ,"Eichmann"
''

Édouard Daladier Édouard Daladier (; 18 June 1884 – 10 October 1970) was a French Radical-Socialist (centre-left) politician, and the Prime Minister of France who signed the Munich Agreement before the outbreak of World War II. Daladier was born in Carpe ...

declines Hitler's offer of peace. :12: Finland's representatives meet Stalin and Molotov in Moscow. Soviet Union demands Finland give up a military base near

Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of U ...

and exchange some Soviet and Finnish territories to protect

Leningrad Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...

against Great Britain or the eventual future threat of Germany. :13: In the midst of the night the under the command of

Günther Prien Günther Prien (16 January 1908 – presumed 8 March 1941) was a German U-boat commander during World War II. He was the first U-boat commander to receive the Knight's Cross of the Iron Cross and the first member of the ''Kriegsmarine'' to r ...

infiltrates in the Scapa Flow harbour and sinks the British battleship , killing 833 crewmen. :14: Finns meet Stalin again. Stalin tells that "an accident" might happen between Finnish and Soviet troops, if the negotiations last too long. :16: The ''Luftwaffe'' made its first air raid on Britain when it sent a dozen of

Junkers Ju 88 The Junkers Ju 88 is a German World War II ''Luftwaffe'' twin-engined multirole combat aircraft. Junkers Aircraft and Motor Works (JFM) designed the plane in the mid-1930s as a so-called '' Schnellbomber'' ("fast bomber") that would be too fast ...

after ships off

Rosyth Rosyth ( gd, Ros Fhìobh, "headland of Fife") is a town on the Firth of Forth, south of the centre of Dunfermline. According to the census of 2011, the town has a population of 13,440. The new town was founded as a Garden city-style suburb ...

, in particular the battlecruiser HMS ''Hood''. The raid was unsuccessful, failing to land any hits while the group commander Helmuth Pohle was shot down. :17: The ''Luftwaffe'' launches a new raid on Britain, this time targeting the British fleet anchored at Scapa Flow, again with limited success, with only the decommissioned HMS ''Iron Duke'' being hit. :18: First Soviet forces enter Estonia. During the ''Umsiedlung'', 12,600

Baltic Germans Baltic Germans (german: Deutsch-Balten or , later ) were ethnic German inhabitants of the eastern shores of the Baltic Sea, in what today are Estonia and Latvia. Since their coerced resettlement in 1939, Baltic Germans have markedly declin ...

leave Estonia. :19: Portions of Poland are formally inducted into Germany; the first Jewish

ghetto A ghetto, often called ''the'' ghetto, is a part of a city in which members of a minority group live, especially as a result of political, social, legal, environmental or economic pressure. Ghettos are often known for being more impoverished t ...

is established at Lublin. :20: The "

": French troops settle in the Maginot line's dormitories and tunnels; the British build new fortifications along the "gap" between the Maginot line and the Channel. :20:

Pope Pius XII Pope Pius XII ( it, Pio XII), born Eugenio Maria Giuseppe Giovanni Pacelli (; 2 March 18769 October 1958), was head of the Catholic Church and sovereign of the Vatican City State from 2 March 1939 until his death in October 1958. Before his e ...

's first encyclical condemns racism and dictatorships. :21: Registration begins in the United Kingdom in order to conscript all able-bodied males between 18 and 23. :23: The seized freighter ''City of Flint'' reaches

Murmansk Murmansk (Russian: ''Мурманск'' lit. "Norwegian coast"; Finnish: ''Murmansk'', sometimes ''Muurmanski'', previously ''Muurmanni''; Norwegian: ''Norskekysten;'' Northern Sámi: ''Murmánska;'' Kildin Sámi: ''Мурман ланнҍ'') ...

in the

. Four days later it is permitted to leave still under the control of its prize crew despite the angry protests of the Roosevelt administration. The Murmansk incident would also have lasting consequences by alienating the American public opinion. :26: Germany annexes the former Polish regions of

Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...

West Prussia The Province of West Prussia (german: Provinz Westpreußen; csb, Zôpadné Prësë; pl, Prusy Zachodnie) was a province of Prussia from 1773 to 1829 and 1878 to 1920. West Prussia was established as a province of the Kingdom of Prussia in 177 ...

Pomerania Pomerania ( pl, Pomorze; german: Pommern; Kashubian: ''Pòmòrskô''; sv, Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to ...

, Poznan, Ciechanow (Zichenau), part of

Łódź Łódź, also rendered in English as Lodz, is a city in central Poland and a former industrial centre. It is the capital of Łódź Voivodeship, and is located approximately south-west of Warsaw. The city's coat of arms is an example of canti ...

, and the

and creates two new administrative districts, Danzig-West Prussia and Posen (later called District Wartheland or Warthegau); the areas of occupied Poland not annexed directly by Germany or by the Soviet Union are placed under a German civilian administration called the Generalgouvernement. :27:

announces that it is neutral in the present conflict. :28: Hitler, worried on one side of the protests received by the American and Norwegian governments and on the other of the danger of losing a warship with such a prestigious name, orders the ''Deutschland'' to return home. :30: The British government releases a report on concentration camps being built in Europe for Jews and anti-Nazis. :31: As Germany plans for an attack on France, German Lieutenant-General

Erich von Manstein Fritz Erich Georg Eduard von Manstein (born Fritz Erich Georg Eduard von Lewinski; 24 November 1887 – 9 June 1973) was a German Field Marshal of the ''Wehrmacht'' during the Second World War, who was subsequently convicted of war crimes and ...

proposes that Germany should attack through the Ardennes rather than through Belgium – the expected attack route.

November

:* 1: Parts of Poland, including the

, are annexed by

annexes the eastern parts of occupied Poland to

Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...

and

Belorussia Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by ...

. :* 1-2: The German physicist

Hans Ferdinand Mayer Hans Ferdinand Mayer (born 23 October 1895 in Pforzheim, Germany; died 18 October 1980 in Munich, West Germany) was a German mathematician and physicist. He was the author of the " Oslo Report", a major military intelligence leak which reveale ...

compiles while on a trip to

Oslo Oslo ( , , or ; sma, Oslove) is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of in 2022, while the city's greater urban area had a population of ...

the so-called

Oslo Report The Oslo Report was one of the most spectacular leaks in the history of military intelligence. Written by German mathematician and physicist Hans Ferdinand Mayer on 1 and 2 November 1939 during a business trip to Oslo, Norway, it described several ...

, containing important German secret military information.Hastings, Max ''The Secret War: Spies, Codes And Guerrillas 1939–45'' (London: William Collins, 2015) ISBN 9780007503742 Chapter 2.1 :* 3:

and

again negotiate new borders. Finns mistrust Stalin's aims and refuse to give up territory breaking their defensive line. :* 3: The ''City of Flint'' anchors at Haugesund,

, claiming medical reasons. Their anchorage without good reason in neutral waters is judged a violation of international law by Norwegian authorities that during the night board the ship freeing the ship and interning the Germans. :* 4: Roosevelt signs into law the amendments to the Neutrality Act: belligerents may buy arms from the United States, but on a strictly cash and carry basis, banning the use of American ships. :* 4: Hans Mayer sends an anonymous letter to the British

Naval attaché A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations and related functions. It includ ...

in Oslo, Captain Hector Boyer, asking if the British wants information from Germany on present and future German weapons. If the answer is positive he requires to be given notice through a small change of the German version of the BBC World Service, which is done. :* 5: Hans Mayer sends anonymously his report to the British Embassy in Norway; from there it was sent for evaluation to

Whitehall Whitehall is a road and area in the City of Westminster, Central London. The road forms the first part of the A roads in Zone 3 of the Great Britain numbering scheme, A3212 road from Trafalgar Square to Chelsea, London, Chelsea. It is the main ...

, where it attracted the attention of Reginald Victor Jones, Assistant Director of Intelligence to the Air Ministry, despite the skepticism of many who suspected it being a German plant. :* 6: ''

Sonderaktion Krakau ''Sonderaktion Krakau'' was a German operation against professors and academics of the Jagiellonian University and other universities in German-occupied Kraków, Poland, at the beginning of World War II. It was carried out as part of the much bro ...

'': In Krakow, Nazis detain and deport university professors to concentration camps. :* 8: Hitler escapes a bomb blast in a Munich beerhall, where he was speaking on the anniversary of the Beer Hall Putsch of 1923. British bombers coincidentally bomb Munich. :* 9: At an Anglo-French meeting held in

Varennes Varennes-en-Argonne (, literally ''Varennes in Argonne'') or simply Varennes (German: Wöringen) is a commune in the Meuse department in the Grand Est region in Northeastern France. In 2019, it had a population of 639. Geography Varennes-en-Ar ...

general Gamelin obtains the approval of the

Dyle plan Dyle may refer to: *Dyle (river), is a river in central Belgium, a tributary of the Rupel * Dyle, Poland * Dyle Plan * Dyle (department) * ATSC-M/H mobile TV Mobile television is television watched on a small handheld or mobile device. It incl ...

, a strategy meant to keep the war out of France if Hitler invaded Belgium. :* 9: In the

Venlo incident The Venlo incident was a covert German ''Sicherheitsdienst'' operation on 9 November 1939, in the course of which two British Secret Intelligence Service agents were captured from the German border, on the outskirts of the Dutch city of Venlo. ...

, British

Secret Intelligence Service The Secret Intelligence Service (SIS), commonly known as MI6 ( Military Intelligence, Section 6), is the foreign intelligence service of the United Kingdom, tasked mainly with the covert overseas collection and analysis of human intelligenc ...

officers

Sigismund Payne Best Captain Sigismund Payne Best OBE (14 April 1885 – 21 September 1978) was a British Secret Intelligence Service agent during the First and Second World Wars. He was captured by German Gestapo and ''Sicherheitsdienst'' (SD) men on 9 November 19 ...

and

Richard Henry Stevens Richard Henry Stevens (9 April 1893 – 12 February 1967) was a major in the British Indian Army and from 1939 Head of the Passport Control Office (PCO) of the British Secret Intelligence Service in the Netherlands. His name is closely associated ...

fall victims to a

false flag A false flag operation is an act committed with the intent of disguising the actual source of responsibility and pinning blame on another party. The term "false flag" originated in the 16th century as an expression meaning an intentional misr ...

operation: at

Venlo Venlo () is a city and municipality in the southeastern Netherlands, close to the border with Germany. It is situated in the province of Limburg, about 50 km east of the city of Eindhoven, 65 km north east of the provincial capital Maastricht, a ...

in neutral

, they are abducted by a group of German

Sicherheitsdienst ' (, ''Security Service''), full title ' (Security Service of the '' Reichsführer-SS''), or SD, was the intelligence agency of the SS and the Nazi Party in Nazi Germany. Established in 1931, the SD was the first Nazi intelligence organization ...

officers and brought to Germany. :* 13: Negotiations between Finland and Soviet Union break down. Finns suspect that Germans and Russians have agreed to include Finland in the Soviet sphere of influence. :* 13: The first British destroyer lost in the war is , sunk by a minefield laid by an U-boat close to the

Thames Estuary The Thames Estuary is where the River Thames meets the waters of the North Sea, in the south-east of Great Britain. Limits An estuary can be defined according to different criteria (e.g. tidal, geographical, navigational or in terms of salini ...

. :* 13: The ''Deutschland'' arrives home at

Gotenhafen Gdynia ( ; ; german: Gdingen (currently), (1939–1945); csb, Gdiniô, , , ) is a city in northern Poland and a seaport on the Baltic Sea coast. With a population of 243,918, it is the 12th-largest city in Poland and the second-largest in th ...

, after having only sunk two ships and caught one. :* 14: The

Polish government-in-exile The Polish government-in-exile, officially known as the Government of the Republic of Poland in exile ( pl, Rząd Rzeczypospolitej Polskiej na uchodźstwie), was the government in exile of Poland formed in the aftermath of the Invasion of Pola ...

moves to

London London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary down to the North Sea, and has been a majo ...

. :* 16: The Commander-in-Chief of the

German Navy The German Navy (, ) is the navy of Germany and part of the unified ''Bundeswehr'' (Federal Defense), the German Armed Forces. The German Navy was originally known as the ''Bundesmarine'' (Federal Navy) from 1956 to 1995, when ''Deutsche Mari ...

Grossadmiral Grand admiral is a historic naval rank, the highest rank in the several European navies that used it. It is best known for its use in Germany as . A comparable rank in modern navies is that of admiral of the fleet. Grand admirals in individual ...

Erich Raeder Erich Johann Albert Raeder (24 April 1876 – 6 November 1960) was a German admiral who played a major role in the naval history of World War II. Raeder attained the highest possible naval rank, that of grand admiral, in 1939, becoming the f ...

orders his U-boats to sink without warning all Allied merchant ships. :* 17: The

IRA Ira or IRA may refer to: *Ira (name), a Hebrew, Sanskrit, Russian or Finnish language personal name *Ira (surname), a rare Estonian and some other language family name *Iran, UNDP code IRA Law *Indian Reorganization Act of 1934, US, on status of ...

is blamed for bombs set off in

. :* 20: The

and German U-boats start mining the Thames estuary. :* 21: The new German strategy of planting

magnetic mines A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, any v ...

in the British seas obtains its first major success when a mine planted by the U-52 in the Firth of Forth put the

HMS ''Belfast'' out of service until the autumn of 1942. :* 21: The German battleships ''Gneisenau'' and the ''Scharnhorst'' are sent out to relieve pressure on the ''Admiral Graf Spee'' by bringing havoc on the shipping routes. :* 22: The ''Luftwaffe'' drops in the mud an intact magnetic mine off Shoeburyness at the mouth of the

. Once salvaged, Admiralty scientists invented

degaussing Degaussing is the process of decreasing or eliminating a remnant magnetic field. It is named after the gauss, a unit of magnetism, which in turn was named after Carl Friedrich Gauss. Due to magnetic hysteresis, it is generally not possible to red ...

that greatly decreased the danger represented by magnetic mines. :* 23: The German battleships ''Gneisenau'' and the ''Scharnhorst''

sink A sink is a bowl-shaped plumbing fixture for washing hands, dishwashing, and other purposes. Sinks have a tap (faucet) that supply hot and cold water and may include a spray feature to be used for faster rinsing. They also include a drain t ...

the British armed merchant cruiser HMS ''Rawalpindi'' between

Iceland Iceland ( is, Ísland; ) is a Nordic island country in the North Atlantic Ocean and in the Arctic Ocean. Iceland is the most sparsely populated country in Europe. Iceland's capital and largest city is Reykjavík, which (along with its s ...

and the

Faroe Islands The Faroe Islands ( ), or simply the Faroes ( fo, Føroyar ; da, Færøerne ), are a North Atlantic island group and an autonomous territory of the Kingdom of Denmark. They are located north-northwest of Scotland, and about halfway bet ...

. About 270 crewmen die, while only 38 survive. :* 23: Polish Jews are ordered to wear

Star of David The Star of David (). is a generally recognized symbol of both Jewish identity and Judaism. Its shape is that of a hexagram: the compound of two equilateral triangles. A derivation of the ''seal of Solomon'', which was used for decorative ...

armbands. :* 24: Japan announces the capture of Nanning in southern China. :* 26: The Soviets stage the

shelling of Mainila The Shelling of Mainila ( fi, Mainilan laukaukset, , russian: Ма́йнильский инциде́нт, Máynil'skiy intsidént) was a military incident on 26 November 1939 in which the Soviet Union's Red Army shelled the Soviet village of Ma ...

, Soviet artillery shells a field near the Finnish border, accusing Finns of killing Soviet troops. :* 29: The USSR breaks off diplomatic relations with Finland. :* 30: The

attacks

in what would become known as the

Winter War The Winter War,, sv, Vinterkriget, rus, Зи́мняя война́, r=Zimnyaya voyna. The names Soviet–Finnish War 1939–1940 (russian: link=no, Сове́тско-финская война́ 1939–1940) and Soviet–Finland War 1 ...

December

* 1: Russia continues its war against Finland; Helsinki is bombed. In the first two weeks of the month, the Finns retreat to the

Mannerheim line The Mannerheim Line ( fi, Mannerheim-linja, sv, Mannerheimlinjen) was a defensive fortification line on the Karelian Isthmus built by Finland against the Soviet Union. While this was never an officially designated name, during the Winter War it ...

, an outmoded defensive line just inside the southern border with Russia. * 2: The Red Army takes

Petsamo Petsamo may refer to: * Petsamo Province, a province of Finland from 1921 to 1922 * Petsamo, Tampere, a district in Tampere, Finland * Pechengsky District, Russia, formerly known as Petsamo * Pechenga (urban-type settlement), Murmansk Oblast, Russi ...

. * 4: The British battleship HMS ''Nelson'' is incapacitated for six months by yet another magnetic mine left this time by the U-52 off the

Loch Ewe Loch Ewe ( gd, Loch Iùbh) is a sea loch in the region of Wester Ross in the Northwest Highlands of Scotland. The shores are inhabited by a traditionally Gàidhlig-speaking people living in or sustained by crofting villages, the most notab ...

. * 5: The Russian invaders begin heavy attacks on the Mannerheim line. The Battles of Kollaa and

Suomussalmi Suomussalmi () is a municipality in Finland and is located in the Kainuu region about northeast of Kajaani, the capital of Kainuu and south of Kuusamo. The municipality has a population of () and covers an area of of which is water. The popul ...

begin. * 7: Italy, Norway and Denmark again declares their neutrality in the Russo-Finnish war. Sweden proclaims "non-belligerency" , by which it could extend military support to Finland, without formally taking part in the war. * 11: The Russians meet with several tactical defeats by the Finnish army. * 12: The escorting destroyer HMS ''Duchess'' sinks after a collision with the battleship HMS ''Barham'' off the

Mull of Kintyre The Mull of Kintyre is the southwesternmost tip of the Kintyre Peninsula (formerly ''Cantyre'') in southwest Scotland. From here, the Antrim coast of Northern Ireland is visible on a calm and clear day, and a historic lighthouse, the second ...

in the

North Channel North Channel may refer to: *North Channel (Great Britain and Ireland) The North Channel (known in Irish and Scottish Gaelic as , in Scots as the ) is the strait between north-eastern Northern Ireland and south-western Scotland. It begins no ...

with the loss of 137 men. * 13: The

battle of the River Plate The Battle of the River Plate was fought in the South Atlantic on 13 December 1939 as the first naval battle of the Second World War. The Kriegsmarine heavy cruiser , commanded by Captain Hans Langsdorff, engaged a Royal Navy squadron, command ...

off

Montevideo Montevideo () is the Capital city, capital and List of cities in Uruguay, largest city of Uruguay. According to the 2011 census, the city proper has a population of 1,319,108 (about one-third of the country's total population) in an area of . M ...

, Uruguay. The Royal Navy's hunting group F, composed of three cruisers (, and ), attacks off the estuary of the River Plate the German warship ''Admiral Graf Spee'' and heavily damage it. * 14: The ''Admiral Graf Spee'', badly damaged, sets the anchor into the port of

Uruguay Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...

, appealing to international law. * 14: The

USSR The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nationa ...

is expelled from the

League of Nations The League of Nations (french: link=no, Société des Nations ) was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. It was founded on 10 January 1920 by the Paris Peace Conference that ...

in response to the Soviet invasion of Finland on November 30. * 15: Soviet Army assaults Taipale, Finland during the

Battle of Taipale The Battle of Taipale was a series of battles fought during the Winter War between Finland and Soviet Union from 6 to 27 December 1939. The battles were part of a Soviet campaign to penetrate the Finnish Mannerheim Line in the Karelian Isthmu ...

. * 17: The ''Admiral Graf Spee'' is forced by

to leave Montevideo harbor; given freedom of choice by Berlin the ship's Kapitän zur See

Hans Langsdorff Hans Wilhelm Langsdorff (20 March 1894 – 20 December 1939) was a German naval officer, most famous for his command of the German pocket battleship ''Admiral Graf Spee'' during the Battle of the River Plate off the coast of Uruguay in 1939. ...

orders to scuttle the vessel just outside the harbor. The ship's captain and its crew are interned by

Argentinian Argentines (mistakenly translated Argentineans in the past; in Spanish ( masculine) or ( feminine)) are people identified with the country of Argentina. This connection may be residential, legal, historical or cultural. For most Argentines, ...

authorities. * 18: The first Canadian troops arrive in Europe. * 18: Germany defeats Britain in the Battle of the Heligoland Bight. * 20: Captain

commits suicide in

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

. * 27: The first Indian troops arrive in France. * 28: The British

Minister of Food The Minister of Food Control (1916–1921) and the Minister of Food (1939–1958) were British government ministerial posts separated from that of the Minister of Agriculture, Fisheries and Food, Minister of Agriculture. In the Great War the Minist ...

W.S. Morrison announced that starting January 8, rationing would be expanded to include butter, bacon, ham and sugar. * 28: While patrolling the

Butt of Lewis The Butt of Lewis ( gd, Rubha Robhanais) is the most northerly point of Lewis in the Outer Hebrides. The headland, which lies in the North Atlantic, is frequently battered by heavy swells and storms and is marked by the Butt of Lewis Lighthouse. ...

the British battleship HMS ''Barham'' is damaged by the German U-30 and put out of service for four months. * 31: German Propaganda Minister Joseph Goebbels makes a radio address reviewing the official Nazi version of the events of 1939. No predictions were made for 1940 other than saying that the next year "will be a hard year, and we must be ready for it."

Footnotes

References

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * {{DEFAULTSORT:Timeline Of World War II (1939) Chronology of World War II 1939 in military history 1939 de:Chronologie des Zweiten Weltkrieges#1939

September

October

November

December

See also

Footnotes

References