1914

June 28 - Assanation of Franz Ferdinand.

July 28 - World War I begins. Austria-Hungary declares war on Serbia.

August 1 - Germany declares war on Russia.

August 2 - Germany conquers Luxembourg.

August 3 - Germany declares war on France

August 4 - Germany declares war on Belgium, United Kingdom declares war on Germany.

August 5 - Battle of Liėge starts.

August 6 - Austria-Hungary declares war on Russia. Serbia declares war on Germany.

August 11 - France declares war on Austria-Hungary.

August 12 - United Kingdom declares war on Austria-Hungary.

August 16 - Battle of Liėge ends.

August 17 - Battle of Tannenburg starts.

August 20 - Germany occupies Brussels.

August 23 - Japan joins the Allies

August 28 - Battle of Heligoland Bight.

September 6-September 7 - Battle of Marne.

October 9 - Belgium falls to Germany

November 1 - The Ottoman Empire joins the Central Powers