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World War II
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Hitler invades Poland
Hitler invades Poland on 1 September. Britain and France declare war on Germany two days later. -
World War II in the West
On April 9, 1940, Germany simultaneously invaded Norway and occupied Denmark, and the war began in earnest. On May 10, German forces swept through Belgium and the Netherlands in what became known as "blitzkrieg," or lightning war. Three days later, Hitler's troops crossed the Meuse River and struck French forces at Sedan, located at the northern end of the Maginot Line, an elaborate chain of fortifications constructed after World War I and considered an impenetrable defensive barrier. In fact, t -
British armed forces attacked Italian forces in north Africa
British armored forces attack Italian forces in north Africa. This campaign escalates and continues for nearly three years -
Operation Barbarossa
By early 1941, Hungary, Romania and Bulgaria had joined the Axis, and German troops overran Yugoslavia and Greece that April. Hitler's conquest of the Balkans was a precursor for his real objective: an invasion of the Soviet Union, 1941-1943whose vast territory would give the German master race the "Lebensraum" it needed. The other half of Hitler's strategy was the extermination of the Jews from throughout German-occupied Europe. Plans for the "Final Solution" were introduced around the time of -
World War II in the pacific
With Britain facing Germany in Europe, the United States was the only nation capable of combating Japanese aggression, which by late 1941 included an expansion of its ongoing war with China and the seizure of European colonial holdings in the Far East. On December 7, 1941, 360 Japanese aircraft attacked the major U.S. naval base at Pearl Harbor in Hawaii, taking the Americans completely by surprise and claiming the lives of more than 2,300 troops. The attack on Pearl Harbor served to unify Ameri -
Toward Allied Victory in World War II
In North Africa, British and American forces had defeated the Italians and Germans by 1943. An Allied invasion of Sicily and Italy followed, and Mussolini's government fell in July 1943, though Allied fighting against the Germans in Italy would continue until 1945. -
D-Day
D-Day: The first of nearly 3 million Allied soldiers arrive in Normandy, on the northern shores of France. -
Hiroshima
The United States drops an atomic bomb—the first to be used in warfare—on Hiroshima, killing 75,000 people instantly, and injuring more than 100,000. -
Nagasaki
A second atomic bomb is dropped in Nagasaki. -
World War II ends
World War II proved to be the most devastating international conflict in history, taking the lives of some 35 to 60 million people, including 6 million Jews who died at the hands of the Nazis. Millions more were injured, and still more lost their homes and property. The legacy of the war would include the spread of communism from the Soviet Union into eastern Europe as well as its eventual triumph in China, and the global shift in power from Europe to two rival superpowers–the United States and