History

Open textbooks for history

GALILEO history open textbooks
The American yawp
A two-volume American history textbook.
21st Century American government and politics (Lardbucket)
Regional geography of the world (Lardbucket)
United States history, volume 2 (Lardbucket)
Alpha history
An online textbook covering eleven major events (e.g., World War I, Northern Ireland and the Troubles). Includes timelines, primary source documents, lists of major figures, and other features.