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history.com
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HISTORY.com is the History Channel's online hub that presents well-researched articles, timelines, biographies, photo galleries, videos, and interactive features to explore world and American history, civilizations, wars, and notable events.
More resources on Introduction to History
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The History Guide
Lectures and resources from university level intro
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BBC History
Articles and timelines for beginners
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Khan Academy World History
Free interactive intro lessons
VideoFree
Overly Sarcastic Productions: The Bronze Age Collapse
Engaging animated intro to ancient history
VideoFree
Crash Course World History #1: Agricultural Revolution
Intro to human history from hunter-gatherers
CourseFree
Crash Course World History
Explore world history with John Green! This engaging Crash Course offers a fantastic introduction to key historical concepts and events.