Our world has been shaped by two all-consuming conflicts - and by a global superpower stand-off that brought the world to the brink of destruction.
Explore the in-depth sections below.
World War One
The causes, events and people of the conflict dubbed the 'war to end all wars'.
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Genocide Under the Nazis
Why did Nazi Germany kill millions who did not conform to its ideas of racial-biological 'purity'?
World War Two
The causes, events and people of the most destructive war in history.
Cold War
Espionage, proxy wars and nuclear deadlock - the conflict that almost ended it all.
