Battle | Campaign | Theatre | Start | End | Allies | Axis | Victory |
Westerplatte | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-09-07 | Poland | Germany Danzig | Axis |
Chojnice | Invasion of Poland | Eastern Front | 1939-09-01 | Poland | Germany | Axis |
Danzig | Invasion of Poland | Eastern Front | 1939-09-01 | Poland | Danzig | Axis |
Danzig Bay | Invasion of Poland | Eastern Front | 1939-09-01 | Poland | Germany | Axis |
Krojanty | Invasion of Poland | Eastern Front | 1939-09-01 | Poland | Germany | Axis |
Lasy Królewskie | Invasion of Poland | Eastern Front | 1939-09-01 | Poland | Germany | Allies |
Mokra | Invasion of Poland | Eastern Front | 1939-09-01 | Poland | Germany | Allies |
Mikołów | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-09-02 | Poland | Germany | Axis |
Pszczyna | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-09-02 | Poland | Germany | Axis |
Częstochowa | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-09-03 | Poland | Germany | Axis |
Mława | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-09-03 | Poland | Germany | Axis |
Jordanów | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-09-03 | Poland | Germany | Axis |
Węgierska Górka | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-09-03 | Poland | Germany | Axis |
Grudziądz | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-09-04 | Poland | Germany | Axis |
Tuchola Forest | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-09-05 | Poland | Germany | Axis |
Slovak invasion of Poland | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-09-16 | Poland | Slovakia | Axis |
Hel | Invasion of Poland | Eastern Front | 1939-09-01 | 1939-10-02 | Poland | Germany | Axis |
Fraustadt | Invasion of Poland | Eastern Front | 1939-09-02 | Poland | Germany | Allies |
Borowa Góra | Invasion of Poland | Eastern Front | 1939-09-02 | 1939-09-06 | Poland | Germany | Axis |
Bukowiec | Invasion of Poland | Eastern Front | 1939-09-03 | Poland | Germany | Axis |
Katowice | Invasion of Poland | Eastern Front | 1939-09-03 | 1939-09-04 | Poland | Germany | Axis |
Piotrków Trybunalski | Invasion of Poland | Eastern Front | 1939-09-04 | 1939-09-06 | Poland | Germany | Axis |
Różan | Invasion of Poland | Eastern Front | 1939-09-04 | 1939-09-06 | Poland | Germany | Axis |
Tomaszów Mazowiecki | Invasion of Poland | Eastern Front | 1939-09-06 | Poland | Germany | Axis |
Pułtusk | Invasion of Poland | Eastern Front | 1939-09-06 | 1939-09-07 | Poland | Germany | Axis |
Łódź | Invasion of Poland | Eastern Front | 1939-09-06 | 1939-09-08 | Poland | Germany | Axis |
Barak | Invasion of Poland | Eastern Front | 1939-09-07 | 1939-09-08 | Poland | Germany | Allies |
Łomża | Invasion of Poland | Eastern Front | 1939-09-07 | 1939-09-10 | Poland | Germany | Axis |
Wizna | Invasion of Poland | Eastern Front | 1939-09-07 | 1939-09-10 | Poland | Germany | Axis |
Saar Offensive | Phoney War | Western Front | 1939-09-07 | 1939-10-16 | France | Germany | Axis |
Wola Cyrusowa | Invasion of Poland | Eastern Front | 1939-09-08 | Poland | Germany | Allies |
Radom | Invasion of Poland | Eastern Front | 1939-09-08 | 1939-09-09 | Poland | Germany | Axis |
Gdynia | Invasion of Poland | Eastern Front | 1939-09-08 | 1939-09-14 | Poland | Germany | Axis |
Warsaw | Invasion of Poland | Eastern Front | 1939-09-08 | 1939-09-28 | Poland | Germany | Axis |
Bzura | Invasion of Poland | Eastern Front | 1939-09-09 | 1939-09-19 | Poland | Germany | Axis |
Kampinos Forest | Invasion of Poland | Eastern Front | 1939-09-09 | 1939-09-20 | Poland | Germany | Axis |
Jarosław | Invasion of Poland | Eastern Front | 1939-09-10 | 1939-09-11 | Poland | Germany | Axis |
Kępa Oksywska | Invasion of Poland | Eastern Front | 1939-09-10 | 1939-09-19 | Poland | Germany | Axis |
Kałuszyn | Invasion of Poland | Eastern Front | 1939-09-11 | 1939-09-12 | Poland | Germany | Allies |
Przemyśl | Invasion of Poland | Eastern Front | 1939-09-11 | 1939-09-14 | Poland | Germany | Axis |
Lwów | Invasion of Poland | Eastern Front | 1939-09-12 | 1939-09-22 | Poland | Germany Soviet Union | Axis |
Modlin | Invasion of Poland | Eastern Front | 1939-09-13 | 1939-09-29 | Poland | Germany | Axis |
Jaworów | Invasion of Poland | Eastern Front | 1939-09-14 | 1939-09-16 | Poland | Germany | Allies |
Brześć Litewski | Invasion of Poland | Eastern Front | 1939-09-14 | 1939-09-17 | Poland | Germany | Axis |
Kobryń | Invasion of Poland | Eastern Front | 1939-09-14 | 1939-09-18 | Poland | Germany | Inconclusive |
Tomaszów Lubelski | Invasion of Poland | Eastern Front | 1939-09-17 | 1939-09-26 | Poland | Germany | Axis |
Wilno | Soviet invasion of Poland | Eastern Front | 1939-09-18 | 1939-09-19 | Poland | Soviet Union | Soviet |
Wólka Węglowa | Invasion of Poland | Eastern Front | 1939-09-19 | Poland | Germany | Allies |
Krasnystaw | Invasion of Poland | Eastern Front | 1939-09-19 | 1939-09-20 | Poland | Germany | Axis |
Grodno | Soviet invasion of Poland | Eastern Front | 1939-09-20 | 1939-09-22 | Poland | Soviet Union | Soviet |
Cześniki | Invasion of Poland | Eastern Front | 1939-09-21 | 1939-09-22 | Poland | Germany | Allies |
Łomianki | Invasion of Poland | Eastern Front | 1939-09-22 | Poland | Soviet Union | Axis |
Krasnobród | Invasion of Poland | Eastern Front | 1939-09-23 | Poland | Germany | Allies |
Husynne | Soviet invasion of Poland | Eastern Front | 1939-09-24 | Poland | Soviet Union | Soviet |
Władypol | Soviet invasion of Poland | Eastern Front | 1939-09-27 | Poland | Soviet Union | Soviet |
Szack | Soviet invasion of Poland | Eastern Front | 1939-09-28 | Poland | Soviet Union | Allies |
Wytyczno | Soviet invasion of Poland | Eastern Front | 1939-10-01 | Poland | Soviet Union | Soviet |
Kock | Invasion of Poland | Eastern Front | 1939-10-02 | 1939-10-05 | Poland | Germany | Axis |
Suomussalmi | Winter War | Eastern Front | 1939-11-30 | 1940-01-08 | Finland | Soviet Union | Finnish |
Petsamo | Winter War | Eastern Front | 1939-11-30 | 1940-03-13 | Finland | Soviet Union | Soviet |
Salla | Winter War | Eastern Front | 1939-11-30 | 1940-03-13 | Finland | Soviet Union | Finnish |
Ilomantsi (1939) | Winter War | Eastern Front | 1939-12-10 | 1939-12-16 | Finland | Soviet Union | Stalemate |
River Plate | Battle of the Atlantic | 1939-12-13 | United Kingdom New Zealand | Germany | Allies |
Taipale | Winter War | Eastern Front | 1939-12-06 | 1939-12-27 | Finland | Soviet Union | Finnish |
Kollaa | Winter War | Eastern Front | 1939-12-07 | 1940-03-13 | Finland | Soviet Union | Finnish |
Varolampi Pond | Winter War | Eastern Front | 1939-12-10 | 1939-12-11 | Finland | Soviet Union | Finnish |
Tolvajärvi | Winter War | Eastern Front | 1939-12-12 | Finland | Soviet Union | Finnish |
Summa (first) | Winter War | Eastern Front | 1939-12-16 | 1939-12-22 | Finland | Soviet Union | Finnish |
Kelja | Winter War | Eastern Front | 1939-12-25 | 1939-12-27 | Finland | Soviet Union | Finnish |
Raate Road | Winter War | Eastern Front | 1940-01-01 | 1940-01-07 | Finland | Soviet Union | Finnish |
Kuhmo | Winter War | Eastern Front | 1940-01-28 | 1940-03-13 | Finland | Soviet Union | Stalemate |
Summa (second) | Winter War | Eastern Front | 1940-02-01 | 1940-02-15 | Finland | Soviet Union | Soviet |
Altmark | Phoney War | Western Front | 1940-02-16 | United Kingdom | Germany | Allies |
Honkaniemi | Winter War | Eastern Front | 1940-02-25 | 1940-02-27 | Finland | Soviet Union | Soviet |
Vyborg Bay (1940) | Winter War | Eastern Front | 1940-03-02 | 1940-03-13 | Finland | Soviet Union | Ceasefire |
Oslofjord | Norwegian campaign | Western Front | 1940-04-08 | Norway | Germany | Axis |
German invasion of Denmark | Operation Weserübung | Western Front | 1940-04-09 | Denmark | Germany | Axis |
Drøbak Sound | Norwegian campaign | Western Front | 1940-04-09 | Norway | Germany | Allies |
Fornebu | Norwegian campaign | Western Front | 1940-04-09 | Norway | Germany | Axis |
Horten Harbour | Norwegian campaign | Western Front | 1940-04-09 | Norway | Germany | Axis |
Kristiansand | Norwegian campaign | Western Front | 1940-04-09 | Norway | Germany | Axis |
Lofoten | Norwegian campaign | Western Front | 1940-04-09 | United Kingdom | Germany | Allies |
Narvik | Norwegian campaign | Western Front | 1940-04-09 | 1940-06-08 | Norway France United Kingdom Poland | Germany | Allies |
Narvik (naval Norwegian) | Norwegian campaign | Western Front | 1940-04-09 | Norway | Germany | Axis |
Midtskogen | Norwegian campaign | Western Front | 1940-04-10 | Norway | Germany | Allies |
Narvik (first naval) | Norwegian campaign | Western Front | 1940-04-10 | United Kingdom | Germany | Allies |
Narvik (second naval) | Norwegian campaign | Western Front | 1940-04-13 | United Kingdom | Germany | Allies |
Dombås | Norwegian campaign | Western Front | 1940-04-14 | 1940-04-19 | Norway | Germany | Allies |
Hegra Fortress | Norwegian campaign | Western Front | 1940-04-15 | 1940-05-05 | Norway | Germany | Axis |
Namsos | Norwegian campaign | Western Front | 1940-04 | 1940-05 | United Kingdom France Norway | Germany | Axis |
Åndalsnes | Norwegian campaign | Western Front | 1940-04-19 | 1940-05 | United Kingdom Norway | Germany | Axis |
Gratangen | Norwegian campaign | Western Front | 1940-04-23 | 1940-04-25 | Norway | Germany | Axis |
Høljarast Bridge | Norwegian campaign | Western Front | 1940-04-24 | Norway | Germany | Axis |
Kvam | Norwegian campaign | Western Front | 1940-04-25 | 1940-04-26 | United Kingdom Norway | Germany | Axis |
Vinjesvingen | Norwegian campaign | Western Front | 1940-05-03 | 1940-05-05 | Norway | Germany | Axis |
Nordland | Norwegian campaign | Western Front | 1940-05-08 | 1940-06-01 | United Kingdom Norway | Germany | Axis |
The Hague | German invasion of the Netherlands | Western Front | 1940-05-10 | Netherlands | Germany | Allies |
Invasion of Iceland | Allied occupation of Iceland | Western Front | 1940-05-10 | United Kingdom | Iceland | Allies |
German invasion of Luxembourg | Western Front | 1940-05-10 | Luxembourg | Germany | Axis |
Maastricht | German invasion of the Netherlands | Western Front | 1940-05-10 | Netherlands | Germany | Axis |
Fort Ében-Émael | German invasion of Belgium | Western Front | 1940-05-10 | 1940-05-11 | Belgium | Germany | Axis |
Mill | German invasion of the Netherlands | Western Front | 1940-05-10 | 1940-05-11 | Netherlands | Germany | Axis |
Rotterdam | German invasion of the Netherlands | Western Front | 1940-05-10 | 1940-05-14 | Netherlands | Germany | Axis |
Zeeland | German invasion of the Netherlands | Western Front | 1940-05-10 | 1940-05-18 | Netherlands France United Kingdom | Germany | Axis |
Grebbeberg | German invasion of the Netherlands | Western Front | 1940-05-11 | 1940-05-13 | Netherlands | Germany | Axis |
Afsluitdijk | German invasion of the Netherlands | Western Front | 1940-05-12 | 1940-05-14 | Netherlands | Germany | Axis |
Hannut | German invasion of Belgium | Western Front | 1940-05-12 | 1940-05-14 | Belgium | Germany | Axis |
Sedan | Battle of France | Western Front | 1940-05-12 | 1940-05-17 | France United Kingdom | Germany | Axis |
Gembloux | German invasion of Belgium | Western Front | 1940-05-14 | 1940-05-15 | France | Germany | Allies |
Montcornet | Battle of France | Western Front | 1940-05-17 | France | Germany | Allies |
Arras | Battle of France | Western Front | 1940-05-21 | France United Kingdom | Germany | Axis |
Boulogne | Battle of France | Western Front | 1940-05-22 | 1940-05-25 | France United Kingdom Belgium | Germany | Axis |
Calais | Battle of France | Western Front | 1940-05-22 | 1940-05-26 | France United Kingdom Belgium | Germany | Axis |
Lys | German invasion of Belgium | Western Front | 1940-05-24 | 1940-05-28 | Belgium France United Kingdom | Germany | Axis |
Ypres–Comines Canal | German invasion of Belgium | Western Front | 1940-05-26 | 1940-05-28 | United Kingdom Belgium | Germany | Allies |
Dunkirk | Battle of France | Western Front | 1940-05-26 | 1940-06-04 | France United Kingdom Belgium Canada Netherlands | Germany | Axis |
Abbeville | Battle of France | Western Front | 1940-05-27 | 1940-06-04 | France United Kingdom | Germany | Axis |
Lille | Battle of France | Western Front | 1940-05-28 | 1940-05-31 | France | Germany | Axis |
Fall Rot | Battle of France | Western Front | 1940-06-05 | 1940-06-25 | France United Kingdom | Germany | Axis |
Operation Juno | Norwegian campaign | Western Front | 1940-06-08 | United Kingdom | Germany | Axis |
Italian invasion of France | Battle of France | Western Front | 1940-06-10 | 1940-06-25 | France United Kingdom | Italy | Axis |
Siege of Malta | Mediterranean Front | 1940-06-11 | 1942-11-20 | United Kingdom Canada South Africa Australia New Zealand Free France Greece Poland Norway United States | Italy Germany | Allies |
Lagarde | Battle of France | Western Front | 1940-06-17 | 1940-06-18 | Poland | Germany | Axis |
Saumur | Battle of France | Western Front | 1940-06-18 | 1940-06-20 | France | Germany | Axis |
Espero Convoy | Battle of the Mediterranean | Mediterranean Front | 1940-06-28 | United Kingdom Australia | Italy | Inconclusive |
Soviet occupation of Bessarabia and Northern Bukovina | 1940-06-28 | 1940-07-03 | Romania | Soviet Union Germany | Soviets |
Mers-el-Kébir | Battle of the Mediterranean | Mediterranean Front | 1940-07-03 | United Kingdom | France | Allies |
Kassala | East African campaign | African Front | 1940-07-04 | United Kingdom | Italy | Axis |
Kanalkampf | Battle of Britain | Western Front | 1940-07-04 | 1940-08-11 | United Kingdom Netherlands Norway Canada Poland Belgium | Germany | Inconclusive |
Calabria | Battle of the Mediterranean | Mediterranean Front | 1940-07-09 | United Kingdom Australia | Italy | Inconclusive |
Cape Spada | Battle of the Mediterranean | Mediterranean Front | 1940-07-19 | United Kingdom Australia | Italy | Allies |
Tug Argan | East African campaign | African Front | 1940-08-11 | 1940-08-15 | United Kingdom | Italy | Axis |
Adlertag | Battle of Britain | Western Front | 1940-08-13 | United Kingdom | Germany | Allies |
The Hardest Day | Battle of Britain | Western Front | 1940-08-18 | United Kingdom | Germany | Inconclusive |
Battle of Britain Day | Battle of Britain | Western Front | 1940-09-15 | United Kingdom | Germany | Allies |
Graveney Marsh | Battle of Britain | Western Front | 1940-09-27 | United Kingdom | Germany | Allies |
Italian invasion of British Somaliland | East African campaign | African Front | 1940-08-03 | 1940-08-19 | United Kingdom Australia South Africa | Italy | Axis |
The Blitz | Battle of Britain | Western Front | 1940-09-07 | 1941-05-11 | United Kingdom | Germany Italy | Inconclusive |
Italian invasion of Egypt | Western Desert campaign | African Front | 1940-09-09 | 1940-09-16 | United Kingdom Free France | Italy | Axis |
Lạng Sơn | Japanese invasion of French Indochina | South-East Asian Front | 1940-09-22 | 1940-09-26 | Vichy France | Japan | Axis |
Dakar | West African campaign | African Front | 1940-09-23 | 1940-09-25 | United Kingdom Free France Australia | Vichy France | Vichy |
Franco-Thai War | South-East Asian Front | 1940-10 | 1941-01-28 | Vichy France | Thailand | Thai |
Cape Passero | Battle of the Mediterranean | Mediterranean Front | 1940-10-12 | United Kingdom | Italy | Allies |
Convoy BN 7 | East African campaign | African Front | 1940-10-20 | 1940-10-21 | United Kingdom New Zealand Australia | Italy | Allies |
Gabon | West African campaign | African Front | 1940-10-27 | 1940-11-12 | Free France United Kingdom | Vichy France | Allies |
Pindus | Greco–Italian War | Mediterranean Front | 1940-10-28 | 1940-11-13 | Greece | Italy | Allies |
Elaia–Kalamas | Greco–Italian War | Mediterranean Front | 1940-11-02 | 1940-11-08 | Greece | Italy | Allies |
Taranto | Battle of the Mediterranean | Mediterranean Front | 1940-11-11 | 1940-11-12 | United Kingdom | Italy | Allies |
Morava–Ivan | Greco–Italian War | Mediterranean Front | 1940-11-14 | 1940-11-23 | Greece | Italy Albania | Allies |
Korytsa | Greco–Italian War | Mediterranean Front | 1940-11-16 | 1940-11-22 | Greece | Italy | Allies |
Cape Spartivento | Battle of the Mediterranean | Mediterranean Front | 1940-11-27 | United Kingdom | Italy | Inconclusive |
Saranda | Greco–Italian War | Mediterranean Front | 1940-12 | 1940-12 | Greece | Italy | Allies |
Nibeiwa | Western Desert campaign | African Front | 1940-12-09 | United Kingdom | Italy | Allies |
Sidi Barrani | Western Desert campaign | African Front | 1940-12-10 | 1940-12-11 | United Kingdom Australia Free France | Italy | Allies |
Himara | Greco–Italian War | Mediterranean Front | 1940-12-13 | 1940-12-22 | Greece | Italy | Allies |
Giarabub | Western Desert campaign | African Front | 1940-12-25 | 1941-03-21 | United Kingdom Australia | Italy | Allies |
Bardia | Western Desert campaign | African Front | 1941-01-03 | 1941-01-05 | Australia United Kingdom Free France | Italy | Allies |
Klisura Pass | Greco–Italian War | Mediterranean Front | 1941-01-06 | 1941-01-11 | Greece | Italy | Allies |
Operation Excess | Battle of the Mediterranean | Mediterranean Front | 1941-01-10 | 1941-01-11 | United Kingdom Australia | Italy Germany | Allies |
Operation Berlin (Atlantic) | Battle of the Atlantic | 1941-01-22 | 1941-03-22 | United Kingdom | Germany | Axis |
Mechili | Western Desert campaign | African Front | 1941-01-24 | United Kingdom | Italy | Allies |
Agordat | East African campaign | African Front | 1941-01-26 | 1941-01-31 | United Kingdom | Italy | Allies |
Trebeshina | Greco–Italian War | Mediterranean Front | 1941-01-29 | 1941-02-17 | Greece | Italy | Allies |
Kufra | Western Desert campaign | African Front | 1941-01-31 | 1941-03-01 | Free France United Kingdom | Italy | Allies |
Keren | East African campaign | African Front | 1941-02-03 | 1941-03-27 | United Kingdom Free France | Italy | Allies |
Beda Fomm | Western Desert campaign | African Front | 1941-02-06 | 1941-02-07 | United Kingdom Australia | Italy | Allies |
Operation Sonnenblume | Western Desert campaign | African Front | 1941-02-06 | 1941-05-25 | United Kingdom Australia | Germany Italy | Axis |
Action of 27 February 1941 | Indian Ocean | 1941-02-27 | New Zealand | Italy | Allies |
Hill 731 | Greco–Italian War | Mediterranean Front | 1941-03-09 | 1941-03-24 | Greece | Italy | Allies |
Saïo | East African campaign | African Front | 1941-03-25 | 1941-07-06 | Belgium United Kingdom Ethiopian Empire South Africa | Italy | Allies |
Souda Bay | Battle of the Mediterranean | Mediterranean Front | 1941-03-26 | United Kingdom Norway | Italy | Axis |
Cape Matapan | Battle of the Mediterranean | Mediterranean Front | 1941-03-27 | 1941-03-29 | United Kingdom Australia | Italy | Allies |
4 April 1941 | Battle of the Atlantic | 1941-04-04 | United Kingdom | Germany | Axis |
Operation Retribution (1941) | Balkans campaign | Mediterranean Front | 1941-04-06 | 1941-04-08 | Yugoslavia | Germany | Axis |
Metaxas Line | Balkans campaign | Mediterranean Front | 1941-04-06 | 1941-04-09 | Greece | Germany | Axis |
Invasion of Yugoslavia | Balkans campaign | Mediterranean Front | 1941-04-06 | 1941-04-18 | Yugoslavia | Germany Hungary Italy | Axis |
Tobruk | Western Desert campaign | African Front | 1941-04-10 | 1941-11-27 | Australia United Kingdom New Zealand Poland Czechoslovakia | Germany Italy | Allies |
Vevi | Balkans campaign | Mediterranean Front | 1941-04-11 | 1941-04-12 | Australia Greece New Zealand United Kingdom | Germany | Axis |
Ptolemaida | Balkans campaign | Mediterranean Front | 1941-04-13 | United Kingdom Australia New Zealand | Germany | Axis |
Kleisoura Pass | Balkans campaign | Mediterranean Front | 1941-04-13 | 1941-04-14 | Greece | Germany | Axis |
Lake Kastoria | Balkans campaign | Mediterranean Front | 1941-04-15 | Greece | Germany | Axis |
Tarigo Convoy | Battle of the Mediterranean | Mediterranean Front | 1941-04-16 | United Kingdom | Italy | Allies |
Tempe Gorge | Balkans campaign | Mediterranean Front | 1941-04-18 | Australia New Zealand | Germany | Allies |
Bardia | Western Desert campaign | African Front | 1941-04-19 | 1941-04-20 | United Kingdom Australia | Germany Italy | Allies |
Athens | Balkans campaign | Mediterranean Front | 1941-04-20 | United Kingdom | Germany | Axis |
Thermopylae | Balkans campaign | Mediterranean Front | 1941-04-24 | 1941-04-25 | Australia New Zealand | Germany | Axis |
Anglo-Iraqi War | Middle Eastern Front | 1941-05-02 | 1941-05-31 | United Kingdom Australia New Zealand Greece | Iraq Germany Italy Vichy France | Allies |
Amba Alagi | East African campaign | African Front | 1941-05-04 | 1941-05-19 | United Kingdom South Africa Ethiopian Empire | Italy | Allies |
Convoy OB 318 | Battle of the Atlantic | 1941-05-07 | 1941-05-10 | United Kingdom | Germany | Allies |
Action of 8 May 1941 | Indian Ocean | 1941-05-08 | United Kingdom | Germany | Allies |
Operation Brevity | Western Desert campaign | African Front | 1941-05-15 | 1941-05-16 | United Kingdom Australia | Germany Italy | Inconclusive |
Last battle of Bismarck | Battle of the Atlantic | 1941-05-18 | 1941-05-27 | United Kingdom Poland | Germany | Allies |
Rethymno | Balkans campaign | Mediterranean Front | 1941-05-20 | 1941-05-29 | Australia Greece | Germany | Axis |
Crete | Balkans campaign | Mediterranean Front | 1941-05-20 | 1941-06-01 | New Zealand Greece United Kingdom Australia | Germany Italy | Axis |
Denmark Strait | Battle of the Atlantic | 1941-05-24 | United Kingdom | Germany | Axis |
Operation Skorpion | Western Desert campaign | African Front | 1941-05-26 | 1941-05-27 | United Kingdom | Germany | Axis |
42nd Street | Balkans campaign | Mediterranean Front | 1941-05-27 | Australia New Zealand | Germany | Allies |
Litani River | Syria–Lebanon campaign | Middle Eastern Front | 1941-06-09 | United Kingdom Australia | Vichy France | Allies |
Jezzine | Syria–Lebanon campaign | Middle Eastern Front | 1941-06-13 | 1941-06-14 | Australia | Vichy France | Allies |
Sidon | Syria–Lebanon campaign | Middle Eastern Front | 1941-06-13 | 1941-06-15 | Australia | Vichy France | Allies |
Operation Battleaxe | Western Desert campaign | African Front | 1941-06-15 | 1941-06-17 | United Kingdom Poland Czechoslovakia | Germany Italy | Axis |
Kissoué | Syria–Lebanon campaign | Middle Eastern Front | 1941-06-15 | 1941-06-17 | United Kingdom Free France | Vichy France | Allies |
Damascus | Syria–Lebanon campaign | Middle Eastern Front | 1941-06-18 | 1941-06-21 | United Kingdom Australia Free France | Vichy France | Allies |
Merdjayoun | Syria–Lebanon campaign | Middle Eastern Front | 1941-06-19 | 1941-06-24 | United Kingdom Australia | Vichy France | Allies |
Palmyra | Syria–Lebanon campaign | Middle Eastern Front | 1941-06-21 | 1941-07-02 | United Kingdom | Vichy France | Allies |
Operation Rentier | Continuation War | Eastern Front | 1941-06-22 | Soviet Union | Germany | Axis |
Brest Fortress | Operation Barbarossa | Eastern Front | 1941-06-22 | 1941-06-29 | Soviet Union | Germany | Axis |
Białystok–Minsk | Operation Barbarossa | Eastern Front | 1941-06-22 | 1941-07-09 | Soviet Union | Germany | Axis |
Gulf of Riga | Baltic Sea campaigns | Eastern Front | 1941-06-22 | 1941-08 | Soviet Union | Germany | Axis |
Soviet submarine campaign (1941) | Baltic Sea campaigns | Eastern Front | 1941-06-22 | 1941-11 | Soviet Union | Germany | Inconclusive |
Hanko | Continuation War | Eastern Front | 1941-06-22 | 1941-12-02 | Soviet Union | Finland | Axis |
German-Soviet air war 22 June 1941 | Operation Barbarossa | Eastern Front | 1941-06-22 | Soviet Union | Germany | Axis |
Raseiniai | Operation Barbarossa | Eastern Front | 1941-06-23 | 1941-06-27 | Soviet Union | Germany | Axis |
Brody | Operation Barbarossa | Eastern Front | 1941-06-23 | 1941-06-30 | Soviet Union | Germany | Axis |
Operation Platinum Fox | Continuation War | Eastern Front | 1941-06-29 | 1941-09-21 | Soviet Union | Germany Finland | Allies |
Finnish invasion of Ladoga Karelia | Continuation War | Eastern Front | 1941-07 | 1941-08 | Soviet Union | Finland Germany | Axis |
Operation Arctic Fox | Continuation War | Eastern Front | 1941-07-01 | 1941-11-17 | Soviet Union | Germany Finland | Stalemate |
Operation München | Operation Barbarossa | Eastern Front | 1941-07-02 | 1941-07-26 | Soviet Union | Romania Germany | Axis |
Deir ez-Zor | Syria–Lebanon campaign | Middle Eastern Front | 1941-07-03 | United Kingdom | Vichy France | Allies |
Damour | Syria–Lebanon campaign | Middle Eastern Front | 1941-07-05 | 1941-07-09 | Australia | Vichy France | Allies |
Smolensk (1941) | Operation Barbarossa | Eastern Front | 1941-07-10 | 1941-09-10 | Soviet Union | Germany | Axis |
Kiev (1941) | Operation Barbarossa | Eastern Front | 1941-07-07 | 1941-09-26 | Soviet Union | Germany | Axis |
Finnish invasion of East Karelia | Continuation War | Eastern Front | 1941-07-10 | 1941-12-06 | Soviet Union | Finland Germany | Axis |
Beirut | Syria–Lebanon campaign | Middle Eastern Front | 1941-07-12 | United Kingdom Australia Free France | Vichy France | Allies |
Operation Substance | Battle of the Mediterranean | Mediterranean Front | 1941-07-13 | 1941-07-28 | United Kingdom Australia | Italy | Allies |
Uman | Operation Barbarossa | Eastern Front | 1941-07-15 | 1941-08-08 | Soviet Union | Germany Romania Hungary Slovakia | Axis |
Twin Pimples | Western Desert campaign | African Front | 1941-07-17 | 1941-07-18 | United Kingdom Australia | Italy | Allies |
Bengtskär | Continuation War | Eastern Front | 1941-07-26 | Soviet Union | Finland | Axis |
Operation EF | Continuation War | Eastern Front | 1941-07-30 | United Kingdom | Germany Finland | Axis |
Finnish invasion of the Karelian Isthmus | Continuation War | Eastern Front | 1941-07-31 | 1941-09-05 | Soviet Union | Finland | Axis |
Culqualber | East African campaign | African Front | 1941-08-06 | 1941-11-21 | United Kingdom South Africa Ethiopian Empire | Italy | Allies |
Odessa (1941) | Operation Barbarossa | Eastern Front | 1941-08-08 | 1941-10-16 | Soviet Union | Romania Germany Italy | Axis |
Anglo-Soviet invasion of Iran | Middle Eastern Front | 1941-08-25 | 1941-08-31 | Soviet Union United Kingdom
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