| BARBAROSSA | Code name for the German invasion of the Soviet Union in June 1941 |
| SOVIETUNION | Country invaded by Nazi Germany in June 1941 (6,5) |
| ITALY | European country that joined World War II in June 1941 (5) |
| USSR | Ger. invaded it in June 1941 |
| SEDAN | Town on the River Meuse which was the scene of a 1940 Second World War battle which began the German invasion of France (5) |
| POLAND | The German invasion of this country in 1939 started the war (6) |
| UTAHBEACH | Code name for the westernmost point of the Allied landings during the D-Day invasion of Normandy |
| OVERLORD | Operation _, the code name for the Allied invasion of Normandy in June 1944 (8) |
| SEALION | Aquatic mammal - code name for planned German invasion of England, 1940 (3,4) |
| STAGINGROUTE | Chain of airstrips used for the delivery of Lend-Lease military aircraft from Montana (by way of Canada and Alaska) to the Soviet Union in WWII, Northwest ___ ___ |
| OPERATIONHUSKY | Code name for the Allied invasion of Sicily in 1943 |
| KIMPHILBY | Member of British intelligence who worked as a spy for the Soviet Union in the 1930s, '40s and '50s (3,6) |
| GARYPOWERS | Pilot of the US U-2 spy plane shot down in the Soviet Union in 1960 (4,6) |
| KYRGYZSTAN | Attaining sovereignty after the break-up of the Soviet Union in 1991, what country has the capital Bishkek? (10) |
| CHERNOBYL | 2019 miniseries on HBO based on the nuclear disaster that happened in the Soviet Union in 1986 |
| GORBACHEV | His democratic reforms led to the breakup of the Soviet Union in 1991 |
| SPUTNIK | Series of satellites launched by the Soviet Union in the late 1950s (7) |
| WINTERWAR | Which conflict took place between Finland and the Soviet Union in the winter of 1939-40? (6,3) |
| KALININGRAD | Russian port, formerly a main German naval base on the Baltic, ceded to the Soviet Union in 1945 (11) |
| KALASHNIKOV | Automatic rifle first produced in the Soviet Union in 1949 (11) |