WW1 - Timeline

The Austrian government sends the Serbian government an ultimatum.

The Serbians accept all the conditions except one - that Austrian police should be allowed into Serbia.

Austria-Hungary declares war on Serbia.

The russian Army got ready to help Serbia defedn itself against the Austrian attack. Germany warned Russia not help the Serbs.

The Russian army is mobilised.

Germany declares war on Russia. (Began to move its army towards France and Belgium)

The french army was put on a war footing ready to fight any German invasion

Germany declared war on France and invaded Belgium (following the Schlieffen Plan). Britain ordered Germany to withdraw from Belgium.

Britain keeps the promise made in a treaty of 1839 to defend Belgium, and declares war on Germany.

Austria dclares war on Russia