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World War II: Why is it so important decades later?
lesson duration 13:13
10,414,326 views
Corruption, wealth and beauty: The history of the Venetian gondola
lesson duration 04:51
535,956 views
The history of the barometer (and how it works)
lesson duration 04:46
1,468,008 views
It's a church. It's a mosque. It's Hagia Sophia.
lesson duration 05:12
1,731,839 views
What you might not know about the Declaration of Independence
lesson duration 03:38
1,457,776 views
The colossal consequences of supervolcanoes
lesson duration 04:51
1,907,664 views
The Silk Road: Connecting the ancient world through trade
lesson duration 05:20
2,473,683 views
Why good leaders make you feel safe - Simon Sinek
lesson duration 12:00
6,687,084 views
Population pyramids: Powerful predictors of the future
lesson duration 05:02
2,071,798 views