Why and how did war break out in summer 1914?
1914. Was this war a total war?
1915. How and where was the war fought?
1916. Who participated in the war and how?
1917. How did war affect the societies and people who participated?
1918. What circumstances led to the end of the war?
1919. How did the peace treaties shape the postwar world?
How was the war remembered and commemorated after 1919?
Postscript. World War I in context.