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Archduke Assassination
Archduke Franz Ferdinand is assassinated in Sarajevo. His death is the event that sparks World War I. https://www.shmoop.com/wwi/timeline.html -
Russia Mobilizes
Russia mobilizes its vast army to intervene against Austria-Hungary in favor of its ally, Serbia. This move starts a chain reaction that leads to the mobilization of the rest of the European Great Powers, and inevitably to the outbreak of hostilities.
http://www.historyplace.com/worldhistory/firstworldwar/index-1914.html -
World War I Begins
Germany invades Belgium, beginning World War I. https://www.theweek.co.uk/59782/how-did-the-first-world-war-start -
Germans Fire
The Germans fire shells filled with chlorine gas at Allied lines. This is the first time that large amounts of gas are used in battle, and the result is the near-collapse of the French lines. However, the Germans are unable to take advantage of the breach. https://blogs.loc.gov/loc/2016/12/world-war-i-on-the-firing-line-with-the-germans-1915/ -
Germany Limits Submarines
Reacting to international outrage at the sinking of the Lusitania and other neutral passenger lines, Kaiser Wilhelm suspends unrestricted submarine warfare. This is an attempt to keep the United States out of the war, but it severely hampers German efforts to prevent American supplies from reaching France and Britain. https://www.gastongazette.com/news/20160503/today-in-history-germany-agreed-to-limit-its-submarine-warfare -
Belleau Wood Ends
The Battle of Belleau Wood ends with the final expulsion of the Germans from the wood, which marks the farthest German advance on Paris. The area has changed hands six times during the three-week battle, which has caused nearly 10,000 American casualties. https://www.historyhit.com/what-role-did-america-play-in-defeating-the-german-spring-offensive-in-1918/ -
Battle of Cantigny
The Battle of Cantigny is the first major American offensive of the war. Though small in scale, the Americans fight bravely and soon go on to larger attacks against German positions. http://www.worldwar1.com/dbc/cantigny.htm -
[Battle of Belleau] Wood
[The Battle of Belleau] Wood begins as the U.S. Marine Corps attacks the Germans across an open field of wheat, suffering huge casualties https://www.bbc.com/news/world-us-canada-44349213 -
[Battle of St. Mihiel]
[The Battle of St. Mihiel] begins when 300,000 American troops under the direct command of General Pershing fling themselves into the German lines. https://jjpershing.com/ -
Wilhelm Abdicates
Kaiser Wilhelm abdicates, ending all German hope for a victory. He and his retinue quietly slip over the border into the Netherlands where he lives out the remainder of his life in relative peace and writes a self-promoting memoir defending his actions in the war. https://en.wikipedia.org/wiki/Abdication_of_Wilhelm_II -
Armistice Day
The Armistice of 11 November 1918 was the armistice that ended fighting on land, sea and air in World War I between the Allies and their opponent, Germany. https://www.loc.gov/item/today-in-history/november-11/ -
Lloyd George
Lloyd George wins British General Election
https://spartacus-educational.com/FWWchronology.htm -
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. https://www.britannica.com/event/Treaty-of-Versailles-1919 -
Signing of the Treaty of Versailles
Allied and German representatives sign treaty of Versailles. The United States signs treaty of guaranty, pledging to defend France in case of an unprovoked attack by Germany. https://www.loc.gov/collections/stars-and-stripes/articles-and-essays/a-world-at-war/timeline-1914-1921/