American History Fleet
Post and read messages about many aspects of American history.

Civil War Campfire
Online discussion forum regarding the American Civil War.

#History
Official site of the #History channel of the Undernet. Discussion board, historical texts submitted by members, polls, links to other historical sites.

Military History Fleet
Forums and live chats devoted to Military History.

Talking History
A moderated discussion board for history and archaeology with a core interest in the past of the British Isles.

The History World
An informal discussion forum covering all areas and subjects of world history for anyone who enjoys history as a hobby.

Able2Know: History
A forum to ask questions about or to discuss history.

Civil War Forum Frigate
A discussion forum and live chat devoted to the American Civil War.

Antiquated Ideas
Online community offering discussion, education, and roleplay covering a multitude of historical cultures.

Naval History Discussion Group
Forum for discussing all aspects of naval history from ancient times to modern day naval warfare.

The History British Monarchy
A web forum to discuss the history of the British monarchy from William the Conqueror onwards.

HIstory of All the Worlds Battles
Postings on current events, military history, weapons systems, and related topics.

Ancient Lands
Online community covering all periods of history.

History Forum Simaqian Studio
A forum for world history discussion and posting of articles by members.

Buried In Time
A message board focusing on friendly discussion of primarily ancient history and archaeology.

Simaqian Studio Forums
Online community for discussion on world history, Military history, ancient history, medieval history, featuring articles posting and research by members