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Archduke Franz Ferdinand
Black Hand assasign Gavil Princip shot and killed Franz Ferdinand and his wife, Sophie, Duchess of Hohenberg. -
Period: to
World War 1
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Tensions Rise
Austria with the support of Germany sends an ultimatum to Serbia. The 3 demands were: Serbia must end all anti Austrian agitation, Serbia must punish any official involved in assassination plot, and Serbia must allow Austria to join in the investigation. Serbia did not agree to the ultimatum, especially the 3rd point. -
War on Serbia
Austria-Hungary declares war on Serbia. Russia mobilized its military. -
Schlieffen Plan
Germany was afriad of fighting on both the western and eastern fronts. So Germany attacked and defeated France and then turned its attention to Russia. This was called the Schlieffen Plan. -
The First Battle of the Marne begins.
More than two million soldiers fought in the Battle of the Marne, and 100,000 of them were killed or wounded. On September 9, the Germans began a fighting retreat to the Aisne River. The Battle of the Marne was the first significant Allied victory of World War I, saving Paris and Germany's plan for a quick victory over France. -
Violating International Law
The British formed a blockade in the North Sea to keep ships from carrying supplies in and out of Germany. In response, Germany used U-boats to create its own blockade and sinked all ships to Britian that has supplies on it. -
The British ocean liner RMS Lusitania is sunk.
German U-boat, U-20, launched a torpedo. The torpedo hit the right side of the ship. The Lusitania sunk within 18 minutes.Of the 1,959 people on board, 1,198 died. Americans were outraged to learn 128 U.S. civilians were killed. -
The Battle of Verdun begins.
1,200 such weapons set to bombard French forces along a 20-kilometer front stretching across the Meuse River—beginning the Battle of Verdun, which would stretch on for 10 months and become the longest conflict of World War I. -
The United States declares war on Germany.
The U.S. were apart of the Allies and was an important contributer because we had fresh supplies and troops to help. We didnt have a lot of soldiers die but we did help to win the war over Germany and Austria. -
U.S. President Woodrow Wilson issues his Fourteen Points to peace.
It was a statement by United States President Woodrow Wilson that World War I was being fought for a moral cause and for postwar peace in Europe. Key ideas included freedom of the seas, free trade, large-scale reductions of arms, and an end to secret treaties. -
Victory at last.
Germany signs the armistice and the Allies beat the Central Powers. The armistice was signed at 11 a.m. on November 11, 1918 ending the war.
