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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.

Jan 15, 2026 · History, discipline that studies the chronological record of events, usually attempting, on the basis of a critical examination of source materials, to explain events.

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.

Browse our archive of historical events by year including the dates of important, interesting and notable events from thousands of years of history.

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:

Experience Colorado cultures and stay informed about all the happenings across History Colorado. Our weekly Digest provides historical perspectives on current events plus invitations to community …