World War II: Key Stages and Turning Points (1939-1945)

Stage 1: The Blitzkrieg Era (1939-1945)

The war began with the Blitzkrieg (Lightning War), characterized by the rapid, surprise maneuvers of the German Wehrmacht. Germany launched devastating short campaigns, starting with the invasion of Poland in 1939 to occupy the Danzig corridor and Warsaw.

Soviet and Northern European Expansion

• USSR: Occupied eastern Poland, Finland, Latvia, Lithuania, and Estonia.
• Northern Europe: Germany invaded Norway and Denmark. Sweden remained neutral, supplying iron ore to Germany.

The Battle of Britain

Great Britain failed to defend Norway, leading to the resignation of Prime Minister Chamberlain and the appointment of Winston Churchill in 1940. From September 1940, the German Luftwaffe launched mass air raids on London, Liverpool, and Birmingham. However, the Royal Air Force (RAF) successfully repelled the attacks, preventing a German invasion.

The Fall of France

Germany occupied Belgium and the Netherlands, gaining access to the French border. Mussolini declared war on France, which was subsequently divided into two zones: the Nazi-occupied North and the Vichy South, led by Marshal Pétain.

Stage 2: Global Conflict (1941-1945)

North African Campaign

In 1942, Italy and the German Afrika Korps, led by General Rommel, attempted to conquer the Suez Canal. British General Montgomery halted the German advance at the Battle of El Alamein. Allied landings in Tunisia in 1943 eventually forced the capitulation of Nazi forces in Africa.

Operation Barbarossa: The Invasion of the USSR

Germany launched a massive invasion of the Soviet Union, targeting Leningrad, Moscow, and Ukraine. The Battle of Stalingrad (1943) marked a decisive turning point, resulting in a German defeat and the beginning of the Nazi decline.

The Pacific War

Following the Japanese air attack on Pearl Harbor in 1941, the United States declared war on the Axis powers. Japan occupied various European colonies, including Hong Kong, Singapore, Indonesia, and the Philippines. However, the tide turned against Japan following the Battles of the Coral Sea and Midway, as well as failed attempts to conquer New Guinea and Australia.

Stage 3: Allied Offensives (1943-1945)

The Liberation of Italy

Italy was divided into the fascist North and the anti-fascist South. In September 1943, Allied forces landed in Italy, eventually liberating Rome on June 4, 1944. In 1945, Mussolini was captured by partisans and executed.