1939
- Operation A-Bewegung 1939 - German preparation for the invasion of Poland; part of Fall Weiss
- Operation Dirschau 1939 - German operation to safeguard the rail bridge at Tczew, Poland during the invasion
- Operation Himmler 1939 - German staged attacks in Poland to justify invasion; part of Fall Weiss
- Operation Nordwest 1939 - German study for a potential invasion of Britain; parts of Operation Nordwest were integrated into Operation Seelöwe
- Operation Ost 1939 - German operation in Southern Poland near the border with Czechoslovakia
- Plan Z 1939 - German plan to expand the Kriegsmarine to match the strength of the British Royal Navy
- Planstudie 39 1939 - German air force research
- Fall Weiss 1939 - German invasion of Poland
- Fall Rot 1939 - German bombing of Wieluń, Poland; part of Fall Weiss
- Operation Sonderaktion Krakau 1939 - German operation to murder members of the intelligentsia at universities in Kraków, Poland
- Operation Tannenberg 1939 - German plan to exterminate Polish intelligentsia
- Operation Wasserkante 1939 - German aerial bombing of Warsaw, Poland
- Operation Blitzableiter 1939–1945 - German bacteriological weapons research
Read more about this topic: List Of Axis Named Operations In The European Theatre