Serbia vs. Austria-Hungary, Black Hand Society assassinates archduke Franz.
Ottomans joined the war
Germany vs. Britain and France, a ceasefire and christmas day, fought along the western front
Looked for the greater deal.
Austria-Hungary vs. Italy, 12 battles, Italy did not win, fought in Slovenia and part of Italy.
Germans vs. France, fought in the town of Ypres Belgium, first time the Germans used a large scale gas attack.
Britain and France vs. Ottomans, fought in the Gallipoli peninsula, one of the greatest victories for the Ottomans.
Germany torpedoed her claiming the lives of 1198, an unwarned passenger ship.
Germany vs. France, one of the longest and most devastating battle, fought on the Western Front. The flame thrower was introduced.
Royal Navy, and Australian Navy, and Canadian Navy vs. Germany's Navy, largest naval battle in WWI, fought in the North Sea.
Germany vs. USA, USA would enter the war if they continued torpedoing ships unwarned.
Russia, vs. Ottomans, Austria-Hungary, and Germany, Russia's greatest battle, fought in Serbia.
Britain and France vs. Germany, 1 million casualties, fought to relieve pressure on Verdun, fought at the Somme river.
When Germany resumed Unrestricted Submarine Warfare, Germany vs. Britain, brought USA into the war, fought in the Atlantic.
Czar Nicholas II abdicates, VI Lenin returns to Russia and seizes control. In November there are Peace negotiations with Germany.
Tried to knock the Ottomans out of the war, Britain vs. Ottoman Empire, fought in Palestine.
France vs. Germany, the French fought to secure underground quarries, fought Northeast of Paris.
Allies vs. Germany, Germany's last ditch effort to win the war before the USA joined the war, fought in Northern France and Belgium.
France, USA, Britain, and Italy vs. Germany, beginning of the end of world war one, Fought at the Marne River.
Allied victors, setting the peace terms for the defeated central powers.