Historians writing about the origins of World War I have differed over the relative emphasis they place upon the factors involved. Changes in historical arguments over time are in part related to the
Poster, c. 1918 by Maurice Neumont
The Russian Empire's entry into World War I unfolded gradually in the days leading up to July 28, 1914. The sequence of events began with Austria-Hungary's declaration of war on Serbia, a Russian ally
Russian troops in the trenches at the Russian invasion of East Prussia.
A Russian recruiting poster. Caption reads: "World on Fire; Second Patriotic War."
Nicky (Tsar Nicholas II) (right) with Willy (Kaiser Wilhelm) in 1905. Nicholas is wearing a German Army uniform, and Wilhelm is wearing that of a Russian hussar regiment.
Russian prisoners at the Battle of Tannenberg where German forces annihilated the Russian Second Army.