Comprehensive resources on the First World War:

FirstWorldWar.com

A multimedia history of WWI. Probably the best site on the Internet for historical information, sound and video archives, memoirs, graphics, everything you could possibly want to know about WWI. visit

The Great War Society

The Great War Society encourages discussion, learning, scholarship and independent research on the events surrounding the First World War (also: great links to other WW1 Sites).

Wikipedia

Not only an interesting site for WWI history, Wikipedia also maintains the only listing of surviving WWI vets, updated almost daily. Lists surviving veterans for all WWI participating countries. visit

The Great War on PBS

Link to the acclaimed PBS documentary on WWI. Includes battle maps, memoirs, a timeline, much more. visit

WWI Document Archive

Great site for scholars looking for primary source materials. Includes vast collection of memoirs, diaries and letters. Also boasts a good collection of images and maps. visit

Library of Congress

The digital collections of the Library of Congress contain a wide variety of material related to World War I, including photographs, documents, newspapers, films, sheet music, and sound recordings. visit

Liberty Memorial

Keep abreast of developments at the nation's only WWI museum, which will be re-dedicated in December 2006. visit