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Balkan wars
Two successive military conflicts that deprived the Ottoman Empire of its remaining territory in Europe except part of Thrace and the city of Adrianople (Edirne). The second conflict erupted when the Balkan allies Serbia, Greece, and Bulgaria argued over the partitioning of their conquests. The result was a resumption of hostilities in 1913 between Bulgaria on the one hand and Serbia and Greece, which were joined by Romania, on the other. -
Lusitania sinks
A German U-boat torpedoed the British-owned steamship Lusitania without any warning at all, killing 1,195 people including 128 Americans, on May 7, 1915. The disaster set off a chain of events that led to the U.S. entering World War I. The ship sank in Kinsale, Ireland. -
Assassination of Archduke Ferdinand
Archduke Franz Ferdinand was murdered on June 28 1914 and Archduke was a heir to the Austro Hungarian province of Bosnia (Assassination of Archduke Franz Ferdinand, December 22, 2016) He was murdered in SARAJEVO, BOSNIA-HERZEGOVINA at around 11 a.m. today, two shots rang out from a street corner in the center of this city, mortally wounding the archduke Franz Ferdinand. -
Gallipoli, Somme
At dawn on 25 April 1915, Allied troops landed on the Gallipoli peninsula in Ottoman Turkey. The Gallipoli campaign was the land-based element of a strategy intended to allow Allied ships to pass through the Dardanelles, capture Constantinople (now Istanbul) and ultimately knock Ottoman Turkey out of the war. -
Zimmerman note
The Telegram, written by German Foreign Secretary Arthur Zimmermann, is a coded message sent to Mexico, proposing a military alliance against the United States. The obvious threats to the United States contained in the telegram inflamed American public opinion against Germany and helped convince Congress to declare war against Germany in 1917. -
U.S. Enters WW1
On April 4th. 1917 the U.S senate decided to Vote on declare war on Germany.The House concurred two days later. The United States later declared war on German ally Austria-Hungary on December 7, 1917.The American Expeditionary Forces arrived in Europe in 1917 and helped turn the tide in favor of Britain and France, leading to an Allied victory over Germany and Austria in November 1918. -
Russian Revolution
In 1917, two revolutions swept through Russia, ending centuries of imperial rule and setting into motion political and social changes that would lead to the eventual formation of the Soviet Union and the Revolution was led by Vladimir Lenin. The Revolution really began in 1905 and the event was called the Bloody Sunday massacre and it sparked the Russian Revolution, during which angry workers responded with a series of crippling strikes throughout the country. -
Verdun
February 21–December 18, 1916), World War I engagement in which the French repulsed a major German offensive. It was one of the longest, bloodiest, and most-ferocious battles of the war; French casualties amounted to about 400,000, German ones to about 350,000. Some 300,000 were killed. -
Chateau Thierry
The Battle of Château-Thierry was fought on July 18, 1918 and was one of the first actions of the American Expeditionary Forces under General John J. "Black Jack" Pershing. It was a battle in World War I as part of the Second Battle of the Marne, initially prompted by a German offensive launched on 15 July against the AEF, an expeditionary force consisting of troops from both the Army and Marine Corps, and the newest troops on the front. -
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Argonne battle
The Meuse-Argonne Offensive was the largest operation of the American Expeditionary Forces (AEF) in World War I, with over a million American soldiers participating. It was also the deadliest campaign in American history, resulting in over 26,000 soldiers being killed in action and over 120,000 total casualties and the war happened in France at the forest of Argonne. -
Armistice
France Fredinand Foch initiated the Armistice of WW1 and the event happened on November 11th, 1918 and the event had occurred in France.The event happened because Germany’s Army’s imminent collapse led Germany to pursue an armistice (National Museum of the U.S Navy, 2023).So the Armistice happened on November 11th, 1918 (yes im putting the date again) and how the Armistice happened was that the German Army’s imminent collapse led Germany to start an armistice. -
Treaty of Versailles signed
The Treaty of Versailles was signed by Germany and the Allied Nations on June 28, 1919, formally ending World War One. The terms of the treaty required that Germany pay financial reparations, disarm, lose territory, and give up all of its overseas colonies and the treaty was signed in Paris, France -
First meeting of the league Nations
The League of Nations officially came into existence on 10 January 1920. On 15 November 1920, 41 members states gathered in Geneva for the opening of the first session of the Assembly. This represented a large portion of existing states and corresponded to more than 70% of the world’s population. -
Russia withdraws from the war.
Russian Communists (Bolsheviks) took power on November 7, 1917, having promised to withdraw Russia from the war. They signed a ceasefire with Germany on December 15, 1917. Yet, Russia formally withdrew from the war only with the signing of the Treaty of Brest-Litovsk ( the location where it was signed) on March 3, 1918.