Pre–World War II:- Second Italo-Abyssinian War
- Spanish Civil War
- Second Sino-Japanese War
- Soviet-Japanese Border War (1939)
- Italian invasion of Albania
- Slovak-Hungarian War
Campaigns and theatres of World War II
European Theatre
Western Front
- Phony War
- Invasion of Denmark and Norway (April–June 1940)
- Battle of France (with Benelux countries/Fall Gelb) (May–June 1940)
- Battle of Britain ( + Operation Sea Lion Unternehmen Seelöwe ) (July–October 1940)
- Western Front (1944–1945)
- Battle of Normandy (June–August 1944)
- Northern France Campaign (July–September 1944)
- Southern France Campaign (Operation Dragoon) (August–September 1944)
- Battle of the Siegfried Line (Rhineland Campaign, Ardennes-Alsace Campaign) (August–December 1944)
- Central Europe Campaign (March–May 1945)
Eastern Front- Battle of Poland (Operation Fall Weiss) (1939)
- Eastern Front (initially Operation Barbarossa) (June 1941 to May 1945)
- Finland (June 1941-September 1944)
Mediterranean and Middle East Theatre- East African Campaign
- North African Campaign
- Invasion of Yugoslavia (Operation Punishment) (April 1941)
- Battle of Greece (Operation Marita) (October 1940 to April 1941)
- Battle of Crete (Operation Mercury) (May–June 1941)
- Yugoslav Front (April 1941 to May 1945)
- Anglo-Iraqi War
- Syria-Lebanon campaign
- Anglo-Soviet invasion of Iran
- Italy (July 1943-May 1945)
Pacific Asian Theatre- Sino-Japanese War
- American-British-Dutch-Australian Command
- Pacific Theater of Operations
- South-East Asian Theatre
- Japan
- Soviet Manchurian Campaign 1945
Other TheatresNaval wars- Battle of the Atlantic
- Arctic Convoys (operation Rösselsprung)
- Battle of the Mediterranean
- Battle of the Indian Ocean
Air wars
- Battle of Normandy (June–August 1944)
- Northern France Campaign (July–September 1944)
- Southern France Campaign (Operation Dragoon) (August–September 1944)
- Battle of the Siegfried Line (Rhineland Campaign, Ardennes-Alsace Campaign) (August–December 1944)
- Central Europe Campaign (March–May 1945)
- Arctic Convoys (operation Rösselsprung)