Outline of the Pacific War

Flags indicate the country, or countries, winning the offensive.

Second Sino-Japanese war

Before 1942 and inclusion in the Pacific War: 1937-07-07 – 1937-07-09 Marco Polo Bridge incident 1937-08-13 – 1937-11-26 Battle of Shanghai 1937-09-01 – 1937-11-09 Battle of Taiyuan 1937-12-09 – 1938-01-31 Battle of Nanking 1938-03-24 – 1938-05-01 Battle of Xuzhou 1938-06-11 – 1938-10-27 Battle of Wuhan 1939-03-17 – 1939-05-09 Battle of Nanchang 1939-04-20 – 1939-05-24 Battle of Suixian–Zaoyang 1939-09-13 – 1939-10-08 Battle of Changsha (1939) 1939-11-15 – 1940-11-30 Battle of South Guangxi 1940-05-01 – 1940-06-18 Battle of Zaoyang–Yichang 1940-08-20 – 1940-12-05 Hundred Regiments Offensive 1941-01-30 – 1941-03-01 Battle of South Henan 1941-03-14 – 1941-04-09 Battle of Shanggao 1941-05-07 – 1941-05-27 Battle of South Shanxi 1941-09-06 – 1941-10-08 Battle of Changsha (1941) After inclusion in the Pacific War: 1941-12-24 – 1942-01-15 Battle of Changsha (1941–1942) 1942-05-14 – 1942-09-07 Zhejiang-Jiangxi campaign 1943-05-12 – 1943-06-03 Battle of West Hubei 1943-11-02 – 1943-12-20 Battle of Changde 1944-04-17 – 1944-12-10 Operation Ichi-Go 1945-03-21 – 1945-05-11 Battle of West Henan–North Hubei 1945-04-09 – 1945-06-07 Battle of West Hunan 1945-04-18 — 1945-08-04 Second Guangxi campaign Franco-Japanese Border War 1940-09-22 – 1940-09-25 Battle of Lạng Sơn 1940-09-24 – 1940-09-26 Bombing of Hải Phòng

Franco-Thai War October 1940 – 9 May 1941

Soviet–Japanese border conflicts 1938-07-29 – 1938-08-11 Battle of Lake Khasan 1939-05-11 – 1939-09-16 Battles of Khalkhin Gol

Japanese conquest of Southeast Asia and Pacific

1941-12-07 (12-08 Asian Time) Attack on Pearl Harbor 1941-12-08 Japanese invasion of Thailand 1941-12-08 Battle of Guam (1941) 1941-12-07 Japan declares war on the United States and the United Kingdom; 1941-12-08 The United States and the United Kingdom declare war on Japan 1941-12-08 – 1941-12-25 Battle of Hong Kong 1941-12-08 – 1942-01-31 Malayan Campaign 1941-12-10 Sinking of and 1941-12-11 – 1941-12-24 Battle of Wake Island 1941-12-16 – 1942-04-01 Battle of Borneo (1941–42) 1941-12-22 – 1942-05-06 Battle of the Philippines 1942-01-01 – 1945-10-25 Transport of POWs via hell ships 1942-01-11 – 1942-01-12 Battle of Tarakan 1942-01-23 Battle of Rabaul (1942) 1942-01-24 Battle of Balikpapan 1942-01-25 Thailand declares war on the Allies 1942-01-30 – 1942-02-03 Battle of Ambon 1942-01-30 – 1942-02-15 Battle of Singapore 1942-02-04 Battle of Makassar Strait 1942-02-14 – 1942-02-15 Battle of Palembang 1942-02-19 Air raids on Darwin, Australia 1942-02-19 – 1942-02-20 Battle of Badung Strait 1942-02-19 – 1943-02-10 Battle of Timor 1942-02-27 – 1942-03-01 Battle of the Java Sea 1942-03-01 Battle of Sunda Strait 1942-03-01 – 1942-03-09 Battle of Java 1942-03-31 Battle of Christmas Island 1942-03-31 – 1942-04-10 Indian Ocean raid 1942-04-09 Bataan Death March begins 1942-04-18 Doolittle Raid 1942-05-03 Japanese invasion of Tulagi 1942-05-04 – 1942-05-08 Battle of the Coral Sea 1942-05-31 – 1942-06-08 Attacks on Sydney Harbour area, Australia 1942-06-04 – 1942-06-06 Battle of Midway

Allied offensives

See Atlas of the World Battle Fronts1943-07-011943-12-011944-05-011944-11-011945-03-011945-08-01 South East Asian campaigns: 1941-12-08 – 1945-08-15 Burma campaign: 1941-12-16 – 1945-08-15 October 1943 – March 1945 Battle of Northern Burma and Western Yunnan 1945-05-15 – 1945-05-16 Battle of the Malacca Strait

New Guinea campaign 1942-01-23 – Battle of Rabaul 1942-03-07 – Operation Mo (Japanese invasion of mainland New Guinea) 1942-05-04 – 1942-05-08 Battle of the Coral Sea 1942-07-01 – 1943-01-31 Kokoda Track Campaign 1942-08-25 – 1942-09-05 Battle of Milne Bay 1942-11-19 – 1943-01-23 Battle of Buna-Gona 1943-01-28 – 1943-01-30 Battle of Wau 1943-03-02 – 1943-03-04 Battle of the Bismarck Sea 1943-06-29 – 1943-09-16 Battle of Lae 1943-06-30 – 1944-03-25 Operation Cartwheel 1943-09-19 – 1944-04-24 Finisterre Range campaign 1943-09-22 – 1944-01-15 Huon Peninsula campaign 1943-11-01 – 1943-11-11 Attack on Rabaul 1943-12-15 – 1945-08-15 New Britain campaign 1944-02-29 – 1944-03-25 Admiralty Islands campaign 1944-04-22 – 1945-08-15 Western New Guinea campaign

Madagascar Campaign 1942-05-05 – 1942-11-06 Battle of Madagascar

Aleutian Islands campaign 1942-06-06 – 1943-08-15 Battle of the Aleutian Islands 1942-06-07 – 1943-08-15 Battle of Kiska 1943-03-26 – Battle of the Komandorski Islands

Guadalcanal campaign 1942-08-07 – 1943-02-09 Battle of Guadalcanal 1942-08-09 Battle of Savo Island 1942-08-24 – 1942-08-25 Battle of the Eastern Solomons 1942-10-11 – 1942-10-12 Battle of Cape Esperance 1942-10-25 – 1942-10-27 Battle of the Santa Cruz Islands 1942-11-13 – 1942-11-15 Naval Battle of Guadalcanal 1942-11-30 Battle of Tassafaronga

Solomon Islands campaign 1943-01-29 – 1943-01-30 Battle of Rennell Island 1943-03-06 Battle of Blackett Strait 1943-06-10 – 1943-08-25 New Georgia campaign 1943-07-06 Battle of Kula Gulf 1943-07-12 – 1943-07-13 Battle of Kolombangara 1943-08-06 – 1943-08-07 Battle of Vella Gulf 1943-08-17 – 1943-08-18 Battle off Horaniu 1943-08-15 – 1943-10-09 Battle of Vella Lavella (land) 1943-10-06 Battle of Vella Lavella (naval) 1943-11-01 – 1945-08-21 Bougainville campaign 1943-11-01 – 1943-11-02 Battle of Empress Augusta Bay 1943-11-26 Battle of Cape St. George

Gilbert and Marshall Islands campaign 1943-11-20 – 1943-11-23 Battle of Tarawa 1943-11-20 – 1943-11-24 Battle of Makin 1944-01-31 – 1944-02-07 Battle of Kwajalein 1944-02-16 – 1944-02-17 Attack on Truk 1944-02-16 – 1944-02-23 Battle of Eniwetok

Bombing of South East Asia, 1944-45 Operation Cockpit 1944-04-19 Operation Transom 1944-05-17 Bombing of Bangkok 1944-05-20 Operation Matterhorn 1944-06-05 – May 1945 Operation Meridian 1945-01-24 – 1945-01-29

Mariana and Palau Islands campaign 1944-10-12 - 1944-10-16 Formosa Air Battle 1944-06-15 – 1944-07-09 Battle of Saipan 1944-06-19 – 1944-06-20 Battle of the Philippine Sea 1944-07-21 – 1944-08-10 Battle of GuamPotter & Nimitz, 1960, p.770 1944-07-24 – 1944-08-01 Battle of Tinian 1944-09-15 – 1944-11-25 Battle of PeleliuOfstie(1946)p.275 1944-09-17 – 1944-09-30 Battle of Angaur

Philippines campaign 1944-10-20 – 1944-12-10 Battle of Leyte 1944-10-24 – 1944-10-25 Battle of Leyte Gulf 1944-10-25 battle off Samar 1944-11-11 – 1944-12-21 Battle of Ormoc Bay 1944-12-13 - 1944-12-16 Battle of Mindoro 1944-12-15 – 1945-07-04 Battle of Luzon 1945-01-09 Invasion of Lingayen Gulf 1945-01-31 – 1945-02-08 Recapture of Bataan 1945-02-03 – 1945-03-03 Battle of Manila 1945-03-18 – 1945-07-30 Battle of the Visayas 1945-03-10 – 1945-08-15 Battle of Mindanao

Volcano and Ryukyu Islands campaign 1945-02-16 – 1945-03-26 Battle of Iwo Jima 1945-04-01 – 1945-06-21 Battle of Okinawa 1945-04-07 Operation Ten-Go

Borneo campaign 1945-05-01 – 1945-05-25 Battle of Tarakan 1945-06-10 – 1945-06-15 Battle of Brunei 1945-06-10 – 1945-06-22 Battle of Labuan 1945-06-17 – 1945-08-15 Battle of North Borneo 1945-07-07 – 1945-07-21 Battle of Balikpapan

Japan campaign 1945-07-22 Battle of Tokyo Bay 1945-08-06 – 1945-08-09 Atomic bombings of Hiroshima and Nagasaki

Soviet invasion of Manchuria 1945-08-08 – 1945-09-02 Soviet invasion of Manchuria

Campaigns East Asia Second Sino-Japanese War Marco Polo Bridge incident Battle of Beiping–Tianjin Operation Chahar Battle of Shanghai Battle of the Sihang Warehouse Battle of Jianqiao Beiping–Hankou Railway campaign Tianjin–Pukou Railway campaign Battle of Taiyuan Battle of Xinkou Battle of Pingxingguan Battle of Nanking USS Panay incident Battle of Xuzhou Battle of Taierzhuang Battle of Northern and Eastern Henan Battle of Lanfeng Bombing of Chongqing Battle of Xiamen Battle of Wuhan Battle of Wanjialing Dongwuling Ambush (1938) Battle of Xinfeng Canton campaign Hainan Island campaign Battle of Nanchang Battle of Suixian–Zaoyang Swatow campaign East Shanxi campaign First Battle of Changsha Battle of South Guangxi Battle of Kunlun Pass 1939–1940 Winter Offensive Battle of Baotou Battle of West Suiyuan Battle of Wuyuan Battle of South Shanxi Battle of Zaoyang–Yichang Hundred Regiments campaign Battle of Guanjianao Central Hubei campaign Battle of South Henan Western Hubei campaign Battle of Shanggao Battle of South Shanxi Second Battle of Changsha Third Battle of Changsha Zhejiang-Jiangxi campaign Taihang Mountains campaign Battle of West Hubei Linnan campaign Battle of Changde Operation Ichi-Go Battle of Changsha Battle of Hengyang Battle of Lingbao Battle of Guilin–Liuzhou Battle of West Henan–North Hubei Battle of West Hunan Second Guangxi campaign Japan campaign Bombing of Yahata Bombing of Nagoya Volcano and Ryukyu Islands campaign Battle of Iwo Jima Battle of Okinawa Operation Kikusui Operation Kikusui I Bombing of Tokyo Bombing of Kobe Bombing of Osaka Bombing of Kure Operation Starvation Bombing of Hamamatsu Bombing of Yokkaichi Bombing of Fukuoka Bombing of Shizuoka Bombing of Toyohashi Bombing of Kōfu Bombing of Gifu Bombing of Sendai Bombing of Utsunomiya Naval bombardment of Japan Bombing of Hiratsuka Bombing of Numazu Bombing of Yokosuka Bombing of Fukui Bombing of Okazaki Battle of Sagami Bay Bombing of Aomori Bombing of Nagaoka Atomic bombings of Hiroshima and Nagasaki Bombing of Toyokawa Bombing of Akita Bombing of Kumagaya Soviet-Japanese War Manchuria campaign Harbin–Kirin campaign Battle of Mutanchiang Khingan–Mukden campaign Sungari campaign Siege of Hutou Fortress South Sakhalin campaign Battle of Toro Battle of Maoka Kuril Islands campaign Battle of Shumshu

Southeast Asia Japanese invasion of French Indochina ( – ) Franco-Thai War ( – ) Battle of Banphlao () Battle of Ko Chang () Japanese invasion of Thailand () Battle of Prachuap Khiri Khan Bombing of Bangkok ( – ) Malayan campaign Bombing of Singapore Battle of Kota Bharu Operation Krohcol Sinking of Prince of Wales and Repulse Battle of Jitra Battle of Gurun Battle of Kampar Battle of Slim River Battle of Muar Battle of Gemas Battle off Endau Fall of Singapore Philippines campaign (1941–1942) Attack on Clark Field Japanese invasion of Batan Island Japanese invasion of Vigan Japanese invasion of Aparri Japanese invasion of Legazpi Japanese invasion of Davao Battle of Digos Japanese invasion of Lingayen Gulf Japanese invasion of Lamon Bay Battle of Bataan Japanese invasion of Zamboanga Japanese invasion of Cebu Japanese invasion of Panay Japanese invasion of Cotabato Japanese invasion of Parang Japanese invasion of Malabang Japanese invasion of Cagayan de Oro Battle of Corregidor Burma campaign Japanese invasion of Burma Battle of Bilin River Battle of Sittang Bridge Battle of Pegu Battle of Taukkyan Battle of the Yunnan–Burma Road Battle of Tachiao Battle of Oktwin Battle of Toungoo Battle of Yenangyaung Battle of Prome Battle of Arakan Battle of Northern Burma and Western Yunnan Siege of Myitkyina Battle of Mogaung Battle of Mount Song Battle of the Admin Box Operation U-Go Battle of Sangshak Battle of Imphal Battle of Kohima Battle of the Tennis Court Battle of Ramree Island Battle of Hill 170 Battle of Central Burma Battle of Pokoku Battle of Tanlwe Chaung Operation Dracula Battle of Elephant Point Battle of the Sittang Bend Dutch East Indies campaign Battle of Borneo Battle of Tarakan Battle of Balikpapan Battle of Samarinda Battle of Banjarmasin Battle of Manado Battle of Kendari Battle of Ambon Battle of Makassar Strait Fall of the Riau Islands Invasion of Sumatra Battle of Palembang Battle of Badung Strait Battle of Timor Battle of the Java Sea Battle of Sunda Strait Battle of Java Second Battle of the Java Sea