WW1 timeline

Franz Ferdinand of Austria-Hungary assassinated by Gavrilo Principby

Jun 28, 1914

Archduke Franz Ferdinand and his wife Sophie, Duchess of Hohenberg were shot while in their car by Serbian Assassin Gavrilo Princip.

Russia allies with Serbia militarily.

Jul 26, 1914

Russia tells Austria-Hungary not to invade Serbia or they will be invaded.

Austria-Hungary declares War

Jul 28, 1914

Austria-Hungary declares war on Serbia

Germany declares war on Russia

Aug 1, 1914

Formal declaration of war by Germany

Germany declares war on France

Aug 3, 1914

Britain declares war on Germany

Aug 4, 1914

Due to the invasion of neutral Belgium, Britain gives Germany an ultimatum. Leave Belgium, or war. Germany doesn't leave. Britain declares war on Germany.

`Austria-Hungary declares war on Russia

Aug 6, 1914

Japan declares war on Germany

Aug 23, 1914