Pacific Theatre[edit]
Battles of Khalkhin Gol 11 May 1939 – 16 Sep 1939
- Japanese attacks on the U.S. or U.S. unincorporated territories
- Japanese occupation of Hong Kong: December 1941
- Japanese occupation of Dutch East Indies: December 1941 – March 1942
- Japanese Invasion of Rabaul, January–February 1942
- Japanese attacks on Australia: February 1942 – June 1942
- Japanese Invasion of Salamaua-Lae, March 1942
- Japanese Invasion of Tulagi, May 1942
- Battle of the Coral Sea, May 1942
- Japanese Invasion of Buna-Gona, July 1942
- Kokoda Track campaign, July–November 1942
- Battle of Milne Bay, August–September 1942
- Guadalcanal Campaign: August 1942 – February 1943
- New Guinea campaign: October 1942 – August 1945
- Battle of Goodenough Island, October 1942
- Battle of Buna–Gona, November 1942 – January 1943
- Battle of Wau, January 1943
- Battle of the Bismarck Sea, March 1943
- Salamaua–Lae campaign, April–September 1943
- Finisterre Range campaign, September 1943 – April 1944
- Huon Peninsula campaign, September 1943 – March 1944
- Bougainville Campaign, November 1943 – August 1945
- New Britain campaign, December 1943 – August 1945
- Battle of Cape Gloucester: December 1943 – April 1944
- Admiralty Islands campaign, February–May 1944
- Western New Guinea campaign, April 1944 – August 1945
- Aitape–Wewak campaign, November 1944 – August 1945
- Aleutian Islands Campaign, March 1943 – August 1943
- Operation Vengeance: April 1943
- Solomon Islands Campaign, June 1943 – November 1943
- Gilbert and Marshall Islands campaign, November 1943 – February 1944
- Mariana and Palau Islands campaign, June – November 1944
- Battle of Noemfoor: July–August 1944
- Battle of Morotai: September–October 1944
- Philippines Campaign (1944–45): October 1944 – September 1945
- Battle of Iwo Jima: February–March 1945
- Battle of Okinawa: April–June 1945
- Battle of Balikpapan (1945): July 1945