When Polio Triggered and Panic Among Parents in the 1950s

Volker Janssen is a professor of California State University Fullerton who&nbsp;specializes in the social, economic, and institutional history of California.

Volker Janssen

Volker Janssen is a professor of California State University Fullerton who&nbsp;specializes in the social, economic, and institutional history of California.

Volker Janssen Archives | History.com

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HISTORY

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History

<a href="https://www.history.com/topics/world-war-ii/world-war-ii-history">World War II</a> was the biggest and deadliest war in history, involving more than 30 countries. Sparked by the 1939 Nazi invasion of Poland, the war dragged on for six bloody years until the Allies defeated Nazi Germany and Japan in 1945.

World War II

The Middle Ages, the medieval period of European history between the fall of the Roman Empire and the beginning of the Renaissance, are sometimes referred to as the "Dark Ages."

Middle Ages

The Cold War rivalry between the United States and the Soviet Union lasted for decades and resulted in anti-communist suspicions and international incidents that led the two superpowers to the brink of nuclear disaster.

Cold War

Paranormal activity refers to any event or situation outside the scope of modern scientific reasoning, such as UFO sightings, the Roswell crash, the predictions of Nostradamus and other curiosities.&nbsp;

Volker Janssen

Stories

When Polio Triggered Fear and Panic Among Parents in the 1950s

Why Was Dresden So Heavily Bombed?

How the ‘Little Green Men’ Phenomenon Began on a Kentucky Farm

California Wildfires Have Been Fought by Prisoners Since World War II