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Assassination of Archduke Franz Ferdinand
On this day in 1914, Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo. The killings sparked a chain of events that led to the outbreak of World War I. -
Trench Warfare, Poison Gas, and Machine Guns
Machine guns. Tanks. Chemical weapons. Warplanes. Submarines. Trench coats. Wristwatches. Thursday marks the 100th anniversary of the U.S. entry into World War I, and some of the innovations that were developed or came into wide use during the conflict are still with us today. -
Sinking of the Lusitania
The sinking of the Cunard ocean liner RMS Lusitania occurred on Friday, 7 May 1915 during the First World War, as Germany waged submarine warfare against the United Kingdom which had implemented a naval blockade of Germany -
Zimmerman Telegram (
The Zimmermann Telegram was a secret diplomatic communication issued from the German Foreign Office in January 1917 that proposed a military alliance between Germany and Mexico. If the United States entered World War I against Germany, Mexico would recover Texas, Arizona, and New 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 date of US entry into WW1 was April 6, 1917 when the nation was drawn into World War 1 on the side of the Allies. The United States of America entered the conflict, two and a half years after the war had begun on July 28, 1914, and declared war on Germany on April 6, 1917 -
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
The Armistice of 11 November 1918 was the armistice signed at Le Francport near Compiègne that ended fighting on land, sea and air in World War I between the Allies and their opponent, Germany. Previous armistices had been agreed with Bulgaria, the Ottoman Empire and the Austro-Hungarian Empire. -
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 Treaty of Versailles was 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
