-
Assassination of Archduke Franz Ferdinand
The Austria-Hungary government saw the assassination as a direct attack on the country. They believed that the Serbians had helped the Bosnian terrorists in the attack. ... When Serbia rejected the demands, Austria-Hungary declared war on Serbia. -
Trench Warfare, Poison Gas, and Machine Guns
These were all weapons used in WW1. . As the guns were terribly accurate and gruesomely effective, many soldiers chose to rout rather than face these monsters.Trench warfare is a type of fighting where both sides build deep trenches as a defense against the enemy. Chlorine gas burns the throats of its victims and causes death by asphyxiation, much like smoke kills people during a house fire. -
Sinking of the Lusitania
Lusitania, British ocean liner, the sinking of which by a German U-boat on May 7, 1915, contributed indirectly to the entry of the United States into World War I. They killed 128 Americans. -
Zimmerman Telegram
The Zimmermann Telegram (or Zimmermann Note or Zimmerman Cable) was a secret diplomatic communication issued from the German Foreign Office in January 1917 that proposed a military alliance between Germany and Mexico. -
Russian Revolution
The Russian Revolution was a period of political and social revolution across the territory of the Russian Empire which started with the abolishment of monarchy and concluded with the establishment of the Soviet Union by the Bolsheviks and the end of the civil war. -
U.S. entry into WWI
The American entry into World War I came in April 1917, after more than two and a half years of efforts by President Woodrow Wilson to keep the United States out of the war. -
Battle of Argonne Forest
The Battle of Argonne Forest was part of what became known as the Meuse-Argonne Offensive, the last battle of World War I . It was a massive attack along the whole line, with the immediate goal of reaching the railroad junction as Sedan. The US had over 1 million troops now available to fight. -
Armistice
an agreement made by opposing sides in a war to stop fighting for a certain time; a truce. -
Woodrow Wilson’s Fourteen Points
The Fourteen Points was a statement of principles for peace that was to be used for peace negotiations in order to end World War I. The principles were outlined in a January 8, 1918, speech on war aims and peace terms to the United States Congress by President Woodrow Wilson -
Treaty of Versailles
The most important of the peace treaties that brought World War I to an end. The Treaty ended the state of war between Germany and the Allied Powers.
