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The Archduke
Archduke Franz Ferdinand is assassinated. -
The War
Austria-Hungary declares war on Serbia, blaming them for the Archduke's death. -
Germany Declares War
Germany declares war on Russia and France. -
British declare war
Britain declares war on Germany -
Turkey
Russia, and soon the rest of the Allies, declare war on Turkey. -
Airship Raid
Germans begin raiding Britain with airships. -
Arrival of the Lusitania
The Lusitania arrives in Liverpool, Britain. It became publicly known after that a American flag waved above it. -
Battle of Ypres
At the Battle of Ypres, a German gas grenade was used. This would be a later fixture of the war. -
Sinking of the Lusitania
German U-boats sink Lusitania, claiming it was shipping goods to Britain. -
Allied Autumn Offensive
The Allied Autumn Offensive, one of the largest campaigns of the war, begins. -
Battle of Verdun
The Battle of Verdun begins, which was believed to be one of the deadliest battles of the war. -
Battles of Somme
The Battles of Somme begin, believed to be some of the longest battles of the war. -
Romanian Government
The Romanian government declares war on Austria-Hungary and begins mobilizing. -
Greek Provisional Government
The Greek Provisional Government declares war on Germany and Bulgaria -
Germany Retreats
The Germans retreat to the Hindenburg Line. This is a focal point of the war. -
America declares war
America joins the Great War by declaring war on Germany.
