Benito Mussolini wanted to prove that Italy was an equal partner with Germany in the Axis alliance, so he began a war with Greece.

Germany found that it could not defeat the British on their home island; the UK was unable to fight the Germans in Europe. So what next?

When France collapsed, Roosevelt redoubled his effort to aid Britain. But there was also a Presidential election to think about; Roosevelt won an unprecedented third term.

America was preoccupied with domestic issues during the run-up to the war. When the war came, the Roosevelt Administration looked for ways to aid the Allies despite the limitations of the Neutrality Act.

More on various genres of pulp fiction, and how they led to the development of comic books.

Pulp fiction was an important form of entertainment in the twentieth century, peaking in popularity around 1940. Pulp fiction came in a variety of genres and was the birthplace for a new one: science fiction.

The 1939-40 New York World's Fair.

When the Churchill government showed no willingness to talk peace, Germany attempted the world's first purely aerial military campaign, to weaken Britain in preparation for invasion, or perhaps even to defeat the enemy entirely by air.

Theories of strategic bombing in the 1930s suggested that it alone might be enough to win a war. But the development of radar meant that the bomber might not always get through after all.

We examine the advances in aviation technology between the World Wars.