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Assassination of Archduke Ferdinand
[Assassination of Archduke Ferdinand]https://www.history.com/news/the-assassination-of-archduke-franz-ferdinand-100-years-ago -
Assassination of Archduke Ferdinand
[Assassination of Archduke Ferdinand]https://www.history.com/news/the-assassination-of-archduke-franz-ferdinand-100-years-ago -
Austria-Hungary declares war on Serbia
[Austria declares war on Serbia]https://www.loc.gov/law/help/digitized-books/world-war-i-declarations/foreign.php -
Germany declares war on France
[Germany declares war on France]https://www.nationalgeographic.org/thisday/aug3/france-and-germany-declare-war/ -
First battle of Marne
[First battle or Marne]https://www.iwm.org.uk/history/10-significant-battles-of-the-first-world-war -
France declares war on Ottoman Empire
[France declares war on Ottoman Empire]https://en.wikipedia.org/wiki/History_of_the_Ottoman_Empire_during_World_War_I -
The first battle of Ypres
[ The first battle of Ypres]https://yesterday.uktv.co.uk/warzone/world-war-one/article/western-front-key-wwi-battles/ -
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The Aremenian Genocide
[The Aremenian Genocide]https://www.google.com/amp/s/www.history.com/.amp/topics/world-war-i/armenian-genocide -
Italy joins the allies
[Italy joins the allies]https://sites.google.com/a/ucps.k12.nc.us/wwi-y/a-world-prepares-for-war/italy-switches-sides -
Battle of Gallipoli
[Battle of Gallipoli]https://www.historynet.com/costliest-battles-and-campaigns-of-world-war-i.htm -
Battle of the Somme
[Battle of the Somme]https://www.historyhit.com/facts-about-the-major-battles-of-world-war-one/ -
The battle of Verdun
[The battle of Verdun]https://www.historyhit.com/facts-about-the-major-battles-of-world-war-one/ -
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Treaty of Versailles
[Treaty of Versailles]https://encyclopedia.ushmm.org/content/en/article/treaty-of-versailles
