Exploring the past people, government, economy, and culture of the state. Offers an A-Z index or a map from which to select an article. Also provides a blog.
Encyclopedia of 1848 Revolutions
Articles about the people and ideas motivating the 1848 European revolutions. Most articles have bibliographies.
Military History Encyclopedia
Reference for all military history - wars, individuals, battles, weapons and the concepts behind warfare.
Ohio History Central
Includes information about the state's natural and prehistory.
The Encyclopedia of Cleveland History
The definitive source of information regarding the history of Cleveland, Ohio.
The Pacific War Online Encyclopedia
Articles on facets of the war of 1941-1945, including battles and campaigns, technology, people, and politics.
Wikia: WWII Wiki
Human edited, concentrating on the 1939-1945 conflict. Offering videos, articles and statistics on weapons, engagements and units.
HyperHistory Online navigates through 3,000 years of world history with timelines of civilizations (plus maps), people, and events.