First World War
First World war.com: Primary Documents: The "Willy Nicky" Telegrams
The content of ten telegrams exchanged between the German Emperor, Wilhelm II, and the Russian Tsar, Nicholas II, just prior to the outbreak of World War I, in the period from July 29 to August 1, 1914.
World War 1
Worldwar1.com: Trenches on the Web: Timeline: Index
A timeline of events that influenced the eventual outbreak of World War I. Many of the events have links to articles or more in-depth timelines.
World War 1
Worldwar1.com: Trenches on the Web: July 1914: The July Crisis: The Month of the Plotters
A timeline of the events that followed the assassination of Archduke Ferdinand and led up to the outbreak of World War I.
BBC
Bbc History: World Wars: World War One: The First Shot: 22 August 1914
Article about the first shot fired by British forces in World War I includes an eye-witness account of a young British cavalryman who was present at the engagement.
World War 1
Worldwar1.com: Trenches on the Web: Aug. Sept.1914 War Erupts in the West
A timeline and discussion of the beginning of conflict on the western front, concluding with the First Battle of the Marne.