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Sources & further reading:
https://sites.google.com/view/sources-riseofzulu

In the early 19th century, Shaka Zulu transformed a small chiefdom in Southern Africa into one of the region’s most powerful kingdoms. He was once an exiled child, but ultimately he rose through the ranks of a powerful army, claimed his father's throne, and finally, transformed the Zulu into a military force.

How did Shaka turn a small chiefdom into a powerful kingdom? What made his armies so successful, and how did the ruler who built the Zulu Kingdom ultimately bring about his own downfall?

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https://sites.google.com/view/sources-sanddemon

For centuries, people have wondered about the strange sounds coming deep from the mountains of Kazakhstan. The singing sand dunes have sparked the imagination and countless stories about what might be the true source of these humming melodies, from trapped evil spirits to the restless soul of Genghis Khan.

What is hiding beneath the singing sands? How did Genghis Khan become connected to this phenomenon, and can science explain a mystery that inspired stories for generations?

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Sources & further reading:
https://sites.google.com/view/sources-vikings-vs-nuns

In the late 9th century, Vikings have raided kingdom after kingdom and nearly conquered all of England. Wealthy monasteries and defenseless nuns were especially tempting targets and often suffered great losses. However, all of that stopped when Vikings were confronted by princess Aethelflaed, daughter of Alfred the Great.

Who was Lady of Mercia, and how did she shape the history of England by becoming Vikings' greatest nightmare?

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