# data[].attributes.headline
Germany declares war on Russia, marking the beginning of military engagements in WWI. This is part of the wider conflict between the Allied Powers and the Central Powers.

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Germany declares war on Russia, marking the beginning of military engagements in WWI. This is part of the wider conflict between the Allied Powers and the Central Powers.

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The armistice between the Allies and Germany goes into effect, marking the end of hostilities in WWI. This day is commemorated as Armistice Day, celebrating peace and remembering the fallen.

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The armistice between the Allies and Germany goes into effect, marking the end of hostilities in WWI. This day is commemorated as Armistice Day, celebrating peace and remembering the fallen.

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The Meuse-Agronne Offensive was a major part of the Allied efforts in WWI. It was launched by America and was one of the deadliest campaigns in American Military history. It lasted until the war ended.

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The Meuse-Agronne Offensive was a major part of the Allied efforts in WWI. It was launched by America and was one of the deadliest campaigns in American Military history. It lasted until the war ended.

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The demotivated Russian Soldiers and Russia's economic problems started the Russian Revolution. Because of Russia's problems at home, with the signing of the Brest-Litovsk treaty, Russia stopped its participation in WWI

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The demotivated Russian Soldiers and Russia's economic problems started the Russian Revolution. Because of Russia's problems at home, with the signing of the Brest-Litovsk treaty, Russia stopped its participation in WWI

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The interception of the Zimmermann Telegram, in which Germany proposed a military alliance with Mexico against the US, played a pivotal role in the United States joining the war against the Central Powers.

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The interception of the Zimmermann Telegram, in which Germany proposed a military alliance with Mexico against the US, played a pivotal role in the United States joining the war against the Central Powers.

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One of the bloodiest battles in human history, the Battle of the Somme, begins. The battle signifies the extensive use of trench warfare and the human cost of WWI, with over one million men wounded or killed.

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One of the bloodiest battles in human history, the Battle of the Somme, begins. The battle signifies the extensive use of trench warfare and the human cost of WWI, with over one million men wounded or killed.

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The sinking of the RMS Lusitania by a German U-boat off the coast of Ireland resulted in the death of 1,198 civilians, among them, 128 Americans. This event significantly influenced American public opinion against Germany, affecting US involvement in the war.

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The sinking of the RMS Lusitania by a German U-boat off the coast of Ireland resulted in the death of 1,198 civilians, among them, 128 Americans. This event significantly influenced American public opinion against Germany, affecting US involvement in the war.

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The Battle of Verdun was the longest battle of WWI, lasting 302 days or around 10 months. Verdun was an important fortress to the French and they refused to lose it to the Germans. After months of fighting and a ton of casualties, the French won. 

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The Battle of Verdun was the longest battle of WWI, lasting 302 days or around 10 months. Verdun was an important fortress to the French and they refused to lose it to the Germans. After months of fighting and a ton of casualties, the French won. 

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The Second Battle of Ypres marks the first mass use of chemical weapons on the Western Front. Chlorine gas, released by the German forces, caused devastating casualties among Allied troops.

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The Second Battle of Ypres marks the first mass use of chemical weapons on the Western Front. Chlorine gas, released by the German forces, caused devastating casualties among Allied troops.

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Germany declares war on Russia, marking the beginning of military engagements in WWI. This is part of the wider conflict between the Allied Powers and the Central Powers.

# data[].attributes.subject
Germany declares war on Russia, marking the beginning of military engagements in WWI. This is part of the wider conflict between the Allied Powers and the Central Powers.

# data[].attributes.headline
Archduke Franz Ferdinand of Austria and his wife Sophie in Sarajevo are assassinated by Gavrilo Princip, a Serbian nationalist. This event triggers a chain of events leading to World War I.

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Archduke Franz Ferdinand of Austria and his wife Sophie in Sarajevo are assassinated by Gavrilo Princip, a Serbian nationalist. This event triggers a chain of events leading to World War I.