Frequently Asked Questions
The most-asked questions about world war ii and its aftermath.
What was World War II?
World War II was a global conflict from 1939 to 1945 pitting the Allied powers—led by Britain, the Soviet Union, the United States, and China—against the Axis powers of Germany, Italy, and Japan. It remains the deadliest war in recorded history, drawing in most of the world's nations and fundamentally reshaping the political map of the twentieth century.
Who were the principal leaders and figures?
Allied leadership centered on Winston Churchill, Franklin D. Roosevelt (succeeded by Harry Truman), Joseph Stalin, and Chiang Kai-shek, while the Axis was driven by Adolf Hitler, Benito Mussolini, and Emperor Hirohito. Military commanders such as Erwin Rommel, George Patton, and Hideki Tojo also played defining operational roles.
How did the war begin?
In Europe, Germany's invasion of Poland on September 1, 1939, triggered declarations of war from Britain and France two days later. In the Pacific, Japan's surprise strike on Pearl Harbor on December 7, 1941, pulled the United States into the conflict and unified the global Allied effort.
What were the major theaters of war?
The principal fronts included the European Theater (Western Front, Eastern Front, North Africa, and the Mediterranean), the Pacific Theater with its island-hopping and naval campaigns, and the China-Japan front. Each theater followed distinct strategies, timelines, and turning points that only later merged into a single global struggle.
What was the Holocaust?
The Holocaust was the state-directed, industrialized genocide carried out by Nazi Germany and its collaborators, in which approximately six million Jews were murdered along with millions of Roma, people with disabilities, political prisoners, and others. The killing was executed through ghettos, mass shootings, and purpose-built extermination camps such as Auschwitz, Treblinka, and Sobibor.
What are considered the key turning points?
In the East, the Battle of Stalingrad (1942–43) broke the back of the German army and shifted the strategic initiative to the Soviet Union. In the West, the D-Day landings of June 6, 1944, opened a second front in France, while in the Pacific the Battle of Midway in June 1942 crippled Japanese naval dominance.
How did the war end?
In Europe, Germany signed an unconditional surrender on May 8, 1945, after the fall of Berlin and Hitler's death. In the Pacific, Japan announced its surrender on August 15, 1945, following the U.S. atomic bombings of Hiroshima and Nagasaki and the Soviet declaration of war on Japan.
What role did the atomic bomb play?
The secret Manhattan Project produced the first nuclear weapons, which the United States dropped on Hiroshima on August 6 and Nagasaki on August 9, 1945. Historians still debate the extent to which the bombs were necessary to compel Japan's surrender, but they undeniably ended the Pacific war and ushered in the nuclear age.
What were the major consequences of the war?
The conflict killed an estimated 70 to 85 million people and left vast stretches of Europe and Asia in ruins. Its aftermath produced the United Nations, the division of Germany, the onset of the Cold War between the U.S. and the Soviet Union, and the gradual decolonization of much of Asia and Africa.
Where should a newcomer start learning about WWII and its aftermath?
A broad narrative overview such as Antony Beevor's 'The Second World War' or the PBS documentary series 'World War II' provides solid context before diving into theater-specific histories. For the postwar period, John Lewis Gaddis's 'The Cold War' and the published transcripts of the Nuremberg trials are strong entry points.