Spanish Civil War
World War I
League of Nations
World War II
Holocaust
The Great War and the Shaping of the 20th Century
An interactive site that allows you to explore the history and ramifications of World War I.
An incredibly deep links page that brings you in contact with almost everything pertinent and applicable to World War I.
A collection of the news material collected and distributed by the BBC over the years.
The BBC's website on their remembrance of tragedies and events of World War I.
A nice interactive visual timeline of the chronological events that occurred throughout the war.
A solid website looking at the historical events of the war through various multimedia technologies.
The official website of the Canadian War Museum in Ottawa.
A site outlining the American perspective of their involvement in the war.
A comprehensive website detailing the document archives of the war.
Many links to pages and original documents that deal with the events and issues of the interwar period in Europe as well as the rest of the world, including the direct results of the First World War and the League of Nations.
A good site of various maps of the war.