WWI

Assassination of Archduke Francis Ferdinand

Jun 28, 1914

the heir to the Austrian throne, Archduke Francis Ferdinand was assassinatednby a Serbian in the Bosnian city of Sarajevo.

Austria´s ultimatum to Serbia

Jul 23, 1914

The assasination of Francis Ferdinad caused a between Austria and Serbia, so Austria had an ultimatum to Serbia in July 23 1914.

Austria declares war on Serbia

Jul 28, 1914

one month after Archduke Franz Ferdinand where killed Austria declared war on Serbia,that was the beginning of World War I

Russia mobilizes

Jul 29, 1914

Russia movilized to support Serbia.

German ultimatum to Russia

Jul 31, 1914

Germany gave Russia an ultimatum that threatened mobilization if Russia did not rescind its mobilization orders within 12 hours

Germany declares war on Russia

Aug 1, 1914

Germany declared war on Russia on August 1 1914 because Russia didn’t respond.

Germany declares war on France

Aug 3, 1914

Germany declared war on France because it was supported by Russia.

Germany troops invade Belgium

Aug 4, 1914

On August 4 1914 German troops invaded Belgium because it was supported by France.

Great Britain declares war on Germany

Aug 4, 1914

Great Britain declared war on Germany because it was supporting Belgium.