World War I (abbreviated WWI; also known as the First World War, the Great War, and the War to End All Wars) was a global war which took place primarily in Europe from 1914 to 1918 ...
http://en.wikipedia.org/wiki/World_War_I

Pictures, archives, news and product reviews of aircraft, armors, figures and tools and materiel.
http://www.wwi-models.org/

T his archive of primary documents from World War One has been assembled by volunteers of the World War I Military History List (WWI-L). I nternational in focus, the archive ...
http://wwi.lib.byu.edu/index.php/Main_Page

WWI Aviation Pictorial History An Illustrated History of World War 1 Aviation told with specifications, pictures, photos, biographies of the aces, and aircraft designers.
http://www.wwiaviation.com/

World Wings International, Inc. The philanthropic organization of former Pan Am flights attendants.
http://www.worldwingsinternational.org/