- Best of History Web Sites
- A portal created for history teachers, students, and general history enthusiasts. Contains annotated links to over 1000 history web sites as well links to hundreds of quality K-12 history-related educational materials including lesson plans, teacher guides, activities, quizzes and more.
- Chronicling America: Historic American Newspapers
- This site allows you to search and view newspaper pages from 1880-1922 and find information about American newspapers published between 1690-present.
- Consists of over 130,000 pages of historical content; 5,300 timeline events; 800 battle outlines; 350 biographies; and thousands of images and maps. Maintained by Ohio State University's Department of History.
- Eyewitness To History
- Offers a narrative of key historical events along with comments by those who lived through them. Organized by era (18th Century, 19th Century, etc.) and major events (World War I, World II, Civil War, etc.).
- History Central
- Covers both World and American History. World topics include timelines and a Nation-by-Nation almanac. Key American History areas include American Presidential Elections, featuring over 600 primary documents in American History and History Maker Biographies covering Presidents, First Ladies, Civil War and Revolutionary War Generals.
- HyperHistory Online
- Offers an alternative way to view and study history by plotting events happening across the world for over 3000 years on one huge timeline. It also interweaves information on Science, Politics, Culture, Religion and the Arts to give the serious student of History a better understanding or what factors influenced History being made at certain times and at certain places around the world.
- Library of Congress Country Studies
- Presents a description and analysis of the historical setting and the social, economic, political, and national security systems and institutions of countries throughout the world.
- PBS - History
- Through shows like The American Experience and Ken Burns' American Stories, PBS has produced a wide array of features on interesting Historical topics and people. Historical topics include; Ancient World, Biographies, United States, War and Espionage and World.
- The History Channel
- Includes a variety of history timelines, maps as well as a select Speeches and Video section. Also has sections covering World War II and The American Civil War.
- Ancient City of Athens (Greece)
- Ancient Egypt
- Ancient World Web
- Greece: Crucible of Civilization
- Illustrated History of the Roman Empire
- Imperatoribus Romanis: An Online Encyclopedia of Roman Emperors
- The Roman Empire in the First Century
- Internet Ancient History Sourcebook
- Theban Mapping Project: The Valley of the Kings
Medieval & Renaissance Periods
- A History of the Crusades
- NetSERF : The Internet Connection for Medieval Resources
- IMS : Internet Medieval Sourcebook
- Medieval and Renaissance History
- The Middle Ages: Feudal Life
- The Renaissance
- BritainExpress: English History & Heritage
- Britannia: British History
- Exploring the French Revolution
- The Napoleonic Guide
- The History of Italy
- History of Italy: Primary Documents
- BBC: In Search of Scotland
- Vikings: The North Atlantic Saga
History: Middle East, Africa, Asia & Australia
- Islam: Empire of Faith
- Islamic Civilization
- History of China
- Library of Congress: China a Country Study
- Chinese Cultural Studies: Concise Political History of China
- The Story of Africa
- PBS: Africa Online
- Australia: Australian History on the Internet
- The Great War Society
- Library of Congress: World War I
- Trenches on the Web: World War I
- Treaty of Versailles
- Remembering Pearl Harbor
- US Army: Normandy
- The National WWII Museum
- Haze Gray & Underway - Naval History and Photography