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 HMS Prince of Wales and HMS Repulse 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 == 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.
Source: Wikipedia — Outline of the Pacific War (CC BY-SA 4.0)