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General

1973 oil crisis

1973 petroleum shortage

African theatre of World War I

Theatre of operations during World War I

Aftermath of World War I

Events after the end of the war in 1918

Aftermath of World War II

Events following the conclusion of World War II

Air raids on Japan

Aerial bombing of Japan during World War II

Air warfare of World War II

Major component in all theaters

Nazi German euthanasia programme

Allied invasion of Sicily

1943 military campaign of World War II on the island of Sicily, Italy

Allies of World War I

Military coalition in World War I

Allies of World War II

Grouping of the victorious countries of World War II

American entry into World War I

Series of events causing the initially anti-war US government and public to join WWI

Anglo-Iraqi War

Campaign during World War II

Anglo-Soviet invasion of Iran

Joint invasion of Iran by the United Kingdom and Soviet Union during World War II

1938 annexation of Austria into Nazi Germany

Anti-Comintern Pact

Anti-Communist pact concluded between Nazi Germany and the Empire of Japan in 1936

1916–1918 Arab uprising against the ruling Ottoman Turks during World War I

Assassination of Archduke Franz Ferdinand

1914 murder in Sarajevo, Bosnia and Herzegovina

Atomic bombings of Hiroshima and Nagasaki

Use of nuclear weapons in World War II

Attack on Pearl Harbor

1941 Japanese surprise attack on the United States

Auschwitz concentration camp

Nazi concentration camp in Poland during World War II

Austro-Hungarian entry into World War I

Alliance of countries in World War II

Ravine in the Ukrainian capital Kyiv

Balfour Declaration

British government statement of 1917

Balkans campaign (World War II)

Series of offensives in 1940 and 1941

Balkans theatre

Part of World War I

Bandenbekämpfung

Aspect of war fighting

Battle of Berlin

1945 last major offensive of the European theatre of World War II

Battle of Britain

WWII air battle fought between German and British air forces

Battle of Caporetto

1917 battle of World War I

Battle of France

German invasion of France in 1940

Battle of Galicia

Battle in World War I's Eastern Front

Battle of Hong Kong

One of the first battles of the Pacific campaign of World War II

Battle of Iwo Jima

Major World War II battle in the Pacific Theater

Battle of Kursk

World War II battle in the Soviet Union; largest tank battle in history

Battle of Leyte Gulf

Largest naval battle of World War II

Battle of Midway

1942 major naval battle in World War II

Battle of Okinawa

Major 1945 battle of the Pacific War

Battle of Passchendaele

Military campaign of the First World War

Battle of Stalingrad

Major battle of World War II

Battle of Tannenberg

Battle between Russian Empire and Germany during World War I

Battle of the Atlantic

Attempt by Germany during World War II to cut supply lines to Britain

Battle of the Bulge

German offensive through the Ardennes forest on the Western Front towards the end of World War II

Battle of the Frontiers

Series of battles; part of the Western Front of World War I

Battle of the Somme

WWI battle between France and Britain against Germany

Battle of Verdun

Battle on the Western Front during the First World War

Battle of Vittorio Veneto

Battles of the Isonzo

Series of major battles between Italy and Austria-Hungary during WW I

Bretton Woods system

Financial-economic agreement reached in 1944

Brusilov offensive

Battle on the Eastern Front during World War I

Series of battles fought during World War II

Caucasus campaign

Armed conflicts between the Russian and Ottoman Empires during WWI

Causes of World War II

Military coalition in World War I

Civil rights movements

Worldwide social and political movements against racism

1947–1991 geopolitical rivalry between US and USSR

Collective farming

Type of agricultural organization

Communist revolution

Type of revolution

Contemporary history

Era of history starting from 1946 up to the current age

Continuation War

1941–1944 Finnish war against USSR

Decolonisation of Africa

Independence of African colonies from European powers

Decolonisation of Asia

Mostly 20th-century independence of Asian countries from Western European powers

Decolonisation of Oceania

Independence of Oceanic countries from colonial rule

Process of leaving colonial rule, mostly occurring during the 20th century

Decolonization of the Americas

Process by which the countries in the Americas gained their independence from European rule

Defence of the Reich

Strategic defensive aerial campaign fought by the Luftwaffe over German-occupied Europe and Germany itself during World War II

East African campaign (World War I)

Series of battles in East Africa during World War I

Eastern Front (World War I)

East European theater of World War I

Eastern Front (World War II)

Theatre of war of European Axis and Soviet Union blocs

Economic liberalization

Economic policy that advocates the reduction of government regulations

Nazi paramilitary death squads, part of the SS

Electrification

Process of changing something to use electricity

Exploration of Mars

Fall of Singapore

World War II battle; decisive Japanese victory

Nazi plan for the genocide of the Jews

Finland in World War II

Period of Finnish history from 1939 to 1945

First Battle of the Marne

World War I battle

Flight and expulsion of Germans (1944–1950)

Population transfers

Government-in-exile led by Charles de Gaulle during the Second World War

French entry into World War I

Entry of France into World War I

Gallipoli campaign

Military campaign against the Ottoman Empire during World War I

Generalplan Ost

Nazi racial plan of enslavement and genocide of Slavic people living in Central and Eastern Europe

German entry into World War I

Aspect of history

German invasion of Greece

Invasion of Allied Greece by Fascist Italy and Nazi Germany during World War II

German spring offensive

1918 German military offensive along the Western Front during WWI

German-occupied Europe

European countries occupied by the military forces of Nazi Germany

Gorlice–Tarnów offensive

Great Depression

Worldwide economic depression (1929–1939)

Great Retreat (Russia)

1915 strategic retreat by Russian forces during World War I

Guadalcanal campaign

U.S. military campaign in World War II

Holocaust denial

Antisemitic conspiracy theory

Holocaust trains

Railway use under the supervision of the German Nazis for the purpose of forcible deportation of the Jews, as well as other victims of the Holocaust to Nazi concentration camps

Hundred Days Offensive

Allied offensive during World War One

Information Age

Historical period

Information Age

Shift from mechanical and analogue electronic technology to digital electronics

Interwar period

Period between the end of World War I and the beginning of World War II

Invasion of Poland

German and Soviet attack on Poland that marked the beginning of World War II

Italian campaign (World War II)

1943–1945 military campaign of World War II

Italian front (World War I)

The Italian theatre of World War I

American period in the 1920s and 1930s

Jewish ghettos established by Nazi Germany

Areas of Jewish imprisonment during the Holocaust

Jewish question

Debate in European society pertaining to the appropriate status and treatment of Jews in society

1914 events leading to World War I

Kamerun campaign

1914–1916 British, French and Belgian invasion of the German colony of Kamerun

Kellogg–Briand Pact

1928 international agreement

Kokoda Track campaign

Part of the Pacific War of World War II

Late modern period

Period from 1800 CE until the present

WW2 program to provide US allies with free armaments

Macedonian front

Part of the Balkans Theatre of WWI

Malayan campaign

1941–1942 World War II military campaign

American initiative for foreign aid to Western Europe following World War II

Mass killings under communist regimes

Mass killings under communist regimes

Communist killings of civilians

Mediterranean and Middle East theatre of World War II

Major theatre of operations during the Second World War

Mesopotamian campaign

World War I military campaign

Middle Eastern theatre of World War I

Scene of action between 29 October 1914, and 30 October 1918

Military operations in North Africa during World War I

Series of conflicts during World War I

Arrival of a spacecraft on the Moon's surface

Munich Agreement

1938 cession of German-speaking Czechoslovakia to the Nazis

Nazi concentration camps

Concentration camps operated by Nazi Germany

Nivelle offensive

1917 Franco-British offensive on the Western Front in the First World War

Non-Aligned Movement

Group of states which are not formally aligned with or against any major power bloc

Normandy landings

First day of the Allied invasion of France in Nazi-occupied Europe during World War II

North African campaign

Major military campaign of WWII fought in North Africa

Nuclear arms race

Competition between multiple parties to have superior nuclear weaponry

Occupation of Japan

United States-led Allied occupation of Japan following WWII

Oder–Neisse line

German-Polish border since the end of World War II

Operation Bagration

Large Soviet military offensive in WW2

Operation Barbarossa

1941 Axis invasion of the Soviet Union during WWII

Operation Market Garden

1944 World War II military operation

Operation Reinhard

Code name for the creation of German extermination camps in Poland in World War II

Operation Torch

Allied landing operations in French North Africa during World War II

Operation Weserübung

Code name for Germany's assault on Denmark and Norway during the Second World War

Ottoman entry into World War I

Entrance of the Ottoman Empire into the First World War

Theater of World War II

Polish population transfers in 1944–1946

Post WWII resettlement

Post–World War II economic expansion

Long period of worldwide economic growth following World War II

Potsdam Conference

Meeting of the Allied heads of state near the end of World War II

Protests of 1968

Worldwide escalation of social conflicts

Revolutions of 1917–1923

Wave of political unrest and mass revolts in Europe in the aftermath of World War I

Roaring Twenties (disambiguation)

Topics referred to by the same term

Romani Holocaust

Genocide against Romani in Europe during World War II

Romania in World War I

Aspect of history

Russian entry into World War I

Second Industrial Revolution

1870–1914 period of rapid technological change

Serbian campaign

1914 military campaign

Sexual revolution

20th-century Western social movement

Siege of Leningrad

Blockade by the Axis powers, 1941–1944

Siege of Malta (World War II)

Sinai and Palestine campaign

Campaign of the Middle Eastern theatre of World War I

Sino-Soviet split

Conflict between communist blocs

Somaliland campaign

Military expeditions against the Devish Movement, 1900-1920

South West Africa campaign

1914 military campaign

Soviet invasion of Manchuria

1945 Soviet campaign of World War II

Soviet partisans

Coordinated resistance movements in German-occupied Soviet territory during WWII

Soviet–Japanese War

1945 Soviet invasion of Manchukuo

Space exploration

Exploration of space, planets, and moons

Competition between the USSR and the USA to explore space

1918–1920 global influenza pandemic caused by the H1N1 influenza A virus

Strategic bombing during World War II

Airborne warfare throughout World War II

Supreme Commander for the Allied Powers

Title held by General Douglas MacArthur during the Allied occupation of Japan

Surrender of Japan

End of World War II

Syria–Lebanon campaign

1941 British offensive in World War II

1940–41 German bombing of Britain during WW2

Genocide of European Jews by Nazi Germany

Togoland campaign

1914 French and British invasion of the German colony of Togoland

Treaty of Brest-Litovsk

Separate peace treaty that the Soviet government was forced to sign on March 3, 1918

Treaty of San Francisco

1952 Japan–Allies peace treaty

Treaty of Versailles

One of the treaties that ended World War I

Tunisian campaign

Series of battles in Tunisia during the Second World War

U-boat campaign

WWI German naval campaign to attack Allied trade routes (1914-18)

Client state of Nazi Germany (1940–1944)

Nazi ghetto in occupied Poland

International military alliance of Communist states

Western Allied invasion of Germany

1945 offensive in the European theatre of World War II

Western Desert campaign

Campaign fought in Libya and Egypt during WWII

Western Front (World War I)

Main theatre of war during the First World War

Western Front (World War II)

Theatre of World War II fought in the Western front of Europe

1939–1940 war between the Soviet Union and Finland

1914–1918 global conflict

1939–1945 global conflict

Yalta Conference

World War II allies discussing postwar reorganization

Year 2000 problem

Class of computer bugs related to dates beginning in the year 2000

Zimmermann telegram

1917 World War I telegram from Germany to Mexico proposing an alliance