# data[].attributes.attachment_caption
Zinke, Robert. “Ron 1914 Panama - 100 or 22 Years?” Rumfest Berlin, 16 Aug. 2019, rumfest-berlin.com/en/ron-1914-panama-100-or-22-years/. Accessed 22 May 2024.

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(INFORMATION) “World War I Timeline.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/summary/World-War-I-Timeline. Accessed 22 May 2024. (PICTURE) Magazine, Smithsonian. “Curses! Archduke Franz Ferdinand and His Astounding Death Car.” Smithsonian.Com, Smithsonian Institution, 22 Apr. 2013, www.smithsonianmag.com/history/curses-archduke-franz-ferdinand-and-his-astounding-death-car-27381052/. Accessed 22 May 2024.

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Archduke Franz Ferdinand and his wife, Sophie, are assassinated by a Bosnian Serb nationalist called Gavrilo Princip. This event causes the WW1 to start. The Austrian government blamed the Serbian government for the assassination of Franz Ferdinand and his wife and declared war on Serbia.

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(INFORMATION) Rosenberg, Jennifer. “1914 to 1919 and the Timeline of World War I.” ThoughtCo, 21 Aug. 2019, www.thoughtco.com/world-war-i-timeline-from-1914-to-1918-4148287. Accessed 22 May 2024. (INFORMATION) Root. “World War One Timeline: A Comprehensive Guide.” History, 27 Feb. 2023, www.historyonthenet.com/world-war-one-timeline. Accessed 22 May 2024. (PICTURE) commons.wikimedia.org/wiki/File:Flag-map_of_the_world_%281914%29.png. Accessed 22 May 2024.

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Austria-Hungary starts a war on Serbia. Germany declares war on Russia and France. Germany invades Belgium, leading Britain to declare war on Germany.

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(INFORMATION) Rosenberg, Jennifer. “1914 to 1919 and the Timeline of World War I.” ThoughtCo, 21 Aug. 2019, www.thoughtco.com/world-war-i-timeline-from-1914-to-1918-4148287. Accessed 22 May 2024. (INFORMATION) Root. “World War One Timeline: A Comprehensive Guide.” History, 27 Feb. 2023, www.historyonthenet.com/world-war-one-timeline. Accessed 22 May 2024. (PICTURE) commons.wikimedia.org/wiki/File:Flag-map_of_the_world_%281914%29.png. Accessed 22 May 2024.

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Japan declared war on Germany through her alliance with Great Britain, signed in 1902.

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(INFORMATION) Rosenberg, Jennifer. “1914 to 1919 and the Timeline of World War I.” ThoughtCo, 21 Aug. 2019, www.thoughtco.com/world-war-i-timeline-from-1914-to-1918-4148287. Accessed 22 May 2024. (INFORMATION) Root. “World War One Timeline: A Comprehensive Guide.” History, 27 Feb. 2023, www.historyonthenet.com/world-war-one-timeline. Accessed 22 May 2024. (PICTURE) commons.wikimedia.org/wiki/File:Flag-

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Because of the help given by Turkey to the German attack on Russia, Russia declared war on Turkey.

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(INFORMATION) Root. “World War One Timeline: A Comprehensive Guide.” History, 27 Feb. 2023, www.historyonthenet.com/world-war-one-timeline. Accessed 27 May 2024. (PICTURE) “Christmas Truce.” Wikipedia, Wikimedia Foundation, 20 May 2024, en.wikipedia.org/wiki/Christmas_truce. Accessed 27 May 2024.

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The soilders from both sides agreed to stop the war by the christian holiday and exchanged greetings along the Western Front.

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Zinke, Robert. “Ron 1914 Panama - 100 or 22 Years?” Rumfest Berlin, 16 Aug. 2019, rumfest-berlin.com/en/ron-1914-panama-100-or-22-years/. Accessed 22 May 2024. (edited version) (edited by ali kerem)

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(INFORMATION) Root. “World War One Timeline: A Comprehensive Guide.” History, 27 Feb. 2023, www.historyonthenet.com/world-war-one-timeline. Accessed 27 May 2024. (PICTURE) Raid Zeppelin, www.the-sdh-v.top/products.aspx?cname=raid%2Bzeppelin&cid=94. Accessed 27 May 2024.

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The first Zeppelin raid on Britain occurs, marking the beginning of aerial bombing of civilian targets.

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(INFORMATION) (PICTURE) Rosenberg, Jennifer. “1914 to 1919 and the Timeline of World War I.” ThoughtCo, 21 Aug. 2019, www.thoughtco.com/world-war-i-timeline-from-1914-to-1918-4148287. Accessed 22 May 2024.

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Germany declared a war on the waters around the United Kingdom, starting the submarine warfare. This event led to the sinking of the British ocean liner Lusitania by a German U-boat.

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(INFORMATION) Rosenberg, Jennifer. “1914 to 1919 and the Timeline of World War I.” ThoughtCo, 21 Aug. 2019, www.thoughtco.com/world-war-i-timeline-from-1914-to-1918-4148287. Accessed 22 May 2024. (PICTURE) “Second Battle of Ypres in World War I.” HISTORY CRUNCH - History Articles, Biographies, Infographics, Resources and More, www.historycrunch.com/second-battle-of-ypres-in-world-war-i.html#/. Accessed 22 May 2024.

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The Second Battle of Ypres began, this war is known for the first large-scale use of chemical weapons when Germany used chlorine gas against Allied troops, starting the chemical warfare​.

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(INFORMATION) “World War I Timeline.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/summary/World-War-I-Timeline. Accessed 27 May 2024. (PICTURE) “Battle of Loos, 1915.” Rifleman Tours - Specialists in World War One and World War Two Battlefield Tours, 10 Sept. 2016, www.riflemantours.co.uk/wwi-history-3rd-ypres-1917-3-3-4-2/. Accessed 27 May 2024.

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The Battle of Loos begins, involving significant use of poison gas by the British and resulting in high casualties.

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(INFORMATION) Root. “World War One Timeline: A Comprehensive Guide.” History, 27 Feb. 2023, www.historyonthenet.com/world-war-one-timeline. Accessed 27 May 2024. (PICTURE) The History Place - World War I Timeline - 1915 - Italians Enter the War, www.historyplace.com/worldhistory/firstworldwar/ital-leave-venice.htm. Accessed 27 May 2024.

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Italy declares war on Austria-Hungary, joining the Allies after signing the Treaty of London​.

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Zinke, Robert. “Ron 1914 Panama - 100 or 22 Years?” Rumfest Berlin, 16 Aug. 2019, rumfest-berlin.com/en/ron-1914-panama-100-or-22-years/. Accessed 22 May 2024. (edited version) (edited by ali kerem)

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(INFORMATION) “World War I Timeline.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/summary/World-War-I-Timeline. Accessed 22 May 2024. (PICTURE) “Battle of Verdun.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., 16 Apr. 2024, www.britannica.com/event/Battle-of-Verdun. Accessed 22 May 2024.

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The Battle of Verdun, one of the longest and bloodiest battles of the war, rages between French and German forces. Both sides suffer hundreds of thousands of casualties. Between 700,000 and 900,000 men died on both sides.

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(INFORMATION) Root. “World War One Timeline: A Comprehensive Guide.” History, 27 Feb. 2023, www.historyonthenet.com/world-war-one-timeline. Accessed 27 May 2024. (PICTURE) Wiki, Contributors to Historica. “Siege of Kut.” Historica Wiki, Fandom, Inc., historica.fandom.com/wiki/Siege_of_Kut. Accessed 27 May 2024.

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The Siege of Kut ends with the surrender of British-Indian forces to the Ottomans, a significant defeat for the British

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(INFORMATION) “World War I Timeline.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/summary/World-War-I-Timeline. Accessed 22 May 2024. (PICTURE) “Battle of Jutland.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., 10 Apr. 2024, www.britannica.com/event/Battle-of-Jutland. Accessed 22 May 2024. Root. (INFORMATION) “World War One Timeline: A Comprehensive Guide.” History, 27 Feb. 2023, www.historyonthenet.com/world-war-one-timeline. Accessed 22 May 2024.

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The Battle of Jutland, the largest naval battle of the war, takes place in the North Sea. It is the war’s only major battle between the world’s two largest sea powers. The battle between the ships was believed to be massive as it was an indecisive battle.

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(INFORMATION) “World War I Timeline.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/summary/World-War-I-Timeline. Accessed 22 May 2024. (PICTURE) “The Tank Turns 100.” History.Com, A&E Television Networks, www.history.com/news/the-tank-turns-100. Accessed 22 May 2024.

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The Battle of the Somme was the war when British and French forces launched a massive offensive attack against German positions. Notable for the first use of tanks in warfare, nearly 20,000 British soldiers were killed in action, and by the battle ended, it resulted in over one million casualties on both sides combined.

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(INFORMATION) Root. “World War One Timeline: A Comprehensive Guide.” History, 27 Feb. 2023, www.historyonthenet.com/world-war-one-timeline. Accessed 27 May 2024. (PICTURE) “{{productData.Name}}.” 44341370 - Online Store, mullikenet.shop/product_details/44341370.html. Accessed 27 May 2024.

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David Lloyd George became British Prime Minister, led a wartime coalition government, and boosted the British army's energy.

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Zinke, Robert. “Ron 1914 Panama - 100 or 22 Years?” Rumfest Berlin, 16 Aug. 2019, rumfest-berlin.com/en/ron-1914-panama-100-or-22-years/. Accessed 22 May 2024. (edited version) (edited by ali kerem)

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(INFORMATION) “World War I Timeline.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/summary/World-War-I-Timeline. Accessed 27 May 2024. (PICTURE) “Unrestricted Submarine Warfare.” Wikipedia, Wikimedia Foundation, 6 May 2024, en.wikipedia.org/wiki/Unrestricted_submarine_warfare. Accessed 27 May 2024.

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Germany starts unrestricted submarine warfare again to cut off Britain's supplies, raising tensions with the United States.

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(INFORMATION) Rosenberg, Jennifer. “1914 to 1919 and the Timeline of World War I.” ThoughtCo, 21 Aug. 2019, www.thoughtco.com/world-war-i-timeline-from-1914-to-1918-4148287. Accessed 22 May 2024. (PICTURE) “The Worst American Political Violence of the Twentieth Century: The Forgotten Crisis of 1917-1921.” American Academy in Berlin, 13 Apr. 2021, www.americanacademy.de/event/the-worst-american-political-violence-of-the-twentieth-century-the-forgotten-crisis-of-1917-1921/. Accessed 22 May 2024.

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The United States declared war on Germany, marking a significant turning point in the conflict. The entry of American forces and resources led to a huge shift in terms of the balance of power.

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“World War I Timeline.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/summary/World-War-I-Timeline. Accessed 27 May 2024. author, DVA. “The Battle of Messines.” Sir John Monash Centre, 6 June 2018, sjmc.gov.au/the-battle-of-messines/. Accessed 27 May 2024.

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In the Battle of Messines Ridge, British forces successfully detonated mines beneath German positions, leading to an important Allied victory

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“What You Need to Know About the Third Battle of Ypres (Passchendaele).” Imperial War Museums, www.iwm.org.uk/history/what-you-need-to-know-about-the-third-battle-of-ypres-passchendaele. Accessed 27 May 2024.

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The Third Battle of Ypres, also known as the Battle of Passchendaele, resulted in heavy casualties and battlefields that were filled with mud.

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(INFORMATION) Rosenberg, Jennifer. “1914 to 1919 and the Timeline of World War I.” ThoughtCo, 21 Aug. 2019, www.thoughtco.com/world-war-i-timeline-from-1914-to-1918-4148287. Accessed 23 May 2024. (PICTURE) “Russian Revolution.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., 19 Apr. 2024, www.britannica.com/event/Russian-Revolution. Accessed 23 May 2024.

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The Bolshevik Revolution in Russia leads to the withdrawal of Russia from the war.

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Zinke, Robert. “Ron 1914 Panama - 100 or 22 Years?” Rumfest Berlin, 16 Aug. 2019, rumfest-berlin.com/en/ron-1914-panama-100-or-22-years/. Accessed 22 May 2024. (edited version) (edited by ali kerem)

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The Treaty of Brest-Litovsk is signed between the Central Powers and Soviet Russia, officially ending Russia's involvement in the war and giving large territories to Germany​

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(INFORMATION) (PICTURE) IN GERMAN SPRING OFFENSIVE, CRISIS ON BOTH SIDES |, greatwarproject.org/2018/03/25/in-german-spring-offensive-crisis-on-both-sides/. Accessed 24 May 2024.

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Germany started the Spring Offensive, which was a series of attacks on the Western Front, the purpose was to break the equality of power on both sides before American forces fully arrived.

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Rosenberg, Jennifer. “1914 to 1919 and the Timeline of World War I.” ThoughtCo, 21 Aug. 2019, www.thoughtco.com/world-war-i-timeline-from-1914-to-1918-4148287. Accessed 27 May 2024. Hickman, Kennedy. “Germany’s Last Chance: Second Battle of the Marne.” ThoughtCo, 20 Mar. 2020, www.thoughtco.com/second-battle-of-the-marne-2361412. Accessed 27 May 2024.

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The Second Battle of the Marne marks a turning point as the Allied forces launch a successful counteroffensive against the Germans, reversing their gains from the Spring Offensive.

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“World War I Timeline.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/summary/World-War-I-Timeline. Accessed 27 May 2024. Karcic, Hamza. “The Armistice That Spelled the End of the Ottoman Empire.” Daily Sabah, 29 Oct. 2018, www.dailysabah.com/feature/2018/10/30/the-armistice-that-spelled-the-end-of-the-ottoman-empire. Accessed 27 May 2024.

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The Ottoman Empire signs an armistice with the Allies, effectively exiting the war​.

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“Timeline of World War I.” Wikipedia, Wikimedia Foundation, 4 May 2024, en.wikipedia.org/wiki/Timeline_of_World_War_I. Accessed 27 May 2024. “World War I Timeline.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., www.britannica.com/summary/World-War-I-Timeline. Accessed 27 May 2024.

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An armistice is signed, ending the fighting on the Western Front at 11 AM. This marks the official end of World War I, with the Allied powers emerging victorious and the Central Powers facing significant political and territorial problems.