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CrashCourse: 3 ideas worth knowing

3 ideas from CrashCourse, each explained in a minute and credited to the original work. Free on Savvy.

• Watch: how crossing the Atlantic reshuffled the world's plants, animals and diseases

  A history lesson on the Columbian Exchange, the transfer of crops, livestock and germs between the Old World and the New after 1492.

  — CrashCourse, The Columbian Exchange: Crash Course World History #23

• Watch: Mansa Musa and the wealth of the Mali Empire

  A history lesson on Mansa Musa, the ruler of Mali whose pilgrimage to Mecca made his riches famous.

  — CrashCourse, Mansa Musa and Islam in Africa: Crash Course World History #16

• Watch: the French Revolution in one lesson

  A history lesson on the revolution that began in 1789 and brought down the French monarchy.

  — CrashCourse, The French Revolution: Crash Course European History #21

Five ideas worth knowing, every week

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