World War II

1. Invasion of Poland

1.1. September 1, 1939

1.1.1. German troops invade Poland on the ground

1.1.2. Hitler's air force bombs Polish cities from the sky

1.2. September 3, 1939

1.2.1. Britain and France declare war on Germany honoring their commitment to Poland

1.2.2. President Franklin D. Roosevelt invokes the Neutrality Act

2. Defeat of France

2.1. April 1, 1940

2.1.1. Hitler seizes Denmark, Norway, Belgium, Holland, and Luxembourg.

2.2. German fighter planes and ground troops pummel France

2.3. Britain forces retreat from France and Adolf Hitler's armies defeat French forces

2.4. June 22, 1940

2.4.1. France surrenders to Germany and signs an armistice

2.4.2. Great Britain now stands alone against the Axis powers

3. Pearl Harbor

3.1. December 7, 1941

3.1.1. Japanese fighter planes attack the American base at Pearl Harbor

4. D Day

4.1. June 6, 1944

4.1.1. Nearly 3 million Allied soldiers arrive in Normandy

5. Surrender

5.1. May 2, 1945

5.1.1. The German army signs an unconditional surrender