The Encyclopedia of Cleveland History 
The definitive source of information regarding the history of Cleveland, Ohio.
http://ech.cwru.edu/Encyclopedia of 1848 Revolutions
Articles about the people and ideas motivating the 1848 European revolutions. Most articles have bibliographies.
http://cscwww.cats.ohiou.edu/~Chastain/index.htm
World Hyperhistory
HyperHistory Online navigates through 3,000 years of world history with timelines of civilizations (plus maps), people, and events.
http://www.hyperhistory.com/online_n2/History_n2/a.html
Palestine
All what you need to know about the current history of Palestine.
http://www.palestinehistory.com/
ORB: Online Reference Book for Medieval Studies
Short articles with links to other web resources about European history from the Roman empire to 1300.
http://the-orb.net/
Military History Encyclopedia
Reference for all military history - wars, individuals, battles, weapons and the concepts behind warfare.
http://www.historyofwar.org/
