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June 28th 1914
Assassination of Archduke Franz Ferdinand -
July 28th 1914
One month after the death of Ferdinand Austria Hungary declares war on Serbia. -
August 1, 1914
Germany declares war on Russia. France and Belgium begin full mobilization. -
August 3, 1914
Germany declares war on France and invades neutral Belgium. -
August 7, 1914
The first British troop land in France. -
August 12, 1914
Great Britain and France declare war on Austria-Hungary. and then Serbia is invaded by Austria-Hungary. -
August 23, 1914
Japan declares war on Germany.and then the Japanese help the British get rid of the Germans in the far east. -
November 1, 1914
Austria invades Serbia -
February 4, 1915
Germany declares the waters surrounding British isles to be a war zone in which ships can be sunk without war. -
April 24 1915
The Armenian genocide began. -
April 26 1915
Receive the promise of significant territorial gains. Italy signs the treaty of London committing itself to enter WW1 on the side of allies. -
May 7 1915
The British ocean liner Lusitania is torpedoed without warning by German submarine off the south coast of Ireland. -
July 1 1916
The battle of Somme fought by the British empire and France against the German empire. -
November 21 1916
HMHS Britannic sinks in the Aegean sea after a mine explodes killing 30 people. -
January 9 1917
The battle of Rafa occurs near the Egyptian border with Palestine. -
March 3 1917
1st major strike of the Russian February revolution starts at the giant Putilov factory in petrograd. -
April 6 1917
The united states declared war against Germany and entered the conflict in Europe. -
June 25 1917
The first american troops land in France. -
August 14 1917
China declares war on Germany and Austria. -
November 5 1917
Gen Pershing and US troops see action on western front for 1st time. -
January 8 1918
Mississippi becomes 1st state to ratify 18th amendment of the US constitution. -
March 4 1918
First recorded case of Spanish flu at funston army camp Kansas start of worldwide pandemic killing 50-100 million. -
November- 11 1918
The armistice that ended fighting on land, sea and air in World War 1 between the allies and their opponent Germany. -
January 18 1919
diplomats from more than two dozen countries gathered in pairs for a conference to discuss how to end the war permanently. -
June 28 1919
The treaty ended the state of war between Germany and the allied powers.
