First Days of WWI (Summer 1914)

World War I

Assassination of Archduke Francis Ferdinand

June 28 1914

Austria issues Ultimatum

July 23, 1914

Austria declares war on Serbia

July 28, 1914

Russia Mobilises

29 July 1914

Germany declares war on Russia

August 1, 1914

Germany invades Belgium

August 3, 1914

Germany declares war on France

August 3, 1914

Britain declares war on Germany

August 4, 1914