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Historical writing evolved throughout the ages and became increasingly professional, particularly during the 19th century, when a rigorous methodology and various academic institutions were established. …

The free online history encyclopedia with fact-checked articles, images, videos, maps, timelines and more; operated as a non-profit organization.

Learn the untold stories of human history and the archaeological discoveries that reveal our ancient past. Plus, explore the lived experiences and traditions of diverse cultures and identities.

Search our archive of 5,000+ features, photo galleries and articles on U.S. & world history, from wars and major events to today's hot topics.

Dec 4, 2025 · History, discipline that studies the chronological record of events, usually attempting, on the basis of a critical examination of source materials, to explain events.

History resources made for the way you teach, bringing you primary sources that are easy to find, ready to use, and totally free.

Our site contains thousands of pages covering a wide array of topics in U.S. History. You can use the search feature at the top of the page, or browse one of the following topic headings:

Explore important topics and moments in U.S. history through historical primary sources from the Library of Congress

Human history or world history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers. They …