-
1
Archduke Franz Ferdinand assassinated in Sarajevo -
2
Kaiser William II promised German support for Austria against Serbia -
3
Austria declared war on Serbia -
4
Germany declared war on Russia -
5
Germany declared war on France and invaded Belgium. Germany had to implement the Schlieffen Plan. -
6
Britain declared war on Germany -
7
The BEF started its retreat from Mons. Germany invaded France. -
8
Russian army defeated at Tannenburg and Masurian Lakes. -
9
Battle of the Marne started -
10
First Battle of Ypres -
11
Turkey entered the war on Germany’s side. Trench warfare started to dominate the Western Front.