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Battle of Tannenberg
{Battle of Tannenberg}(https://www.worldatlas.com/articles/major-battles-of-world-war-i-ww1.html) -
Austria-Hungary
{ Austrian-Hungary declared war on Serbia.}(https://www.loc.gov/law/help/digitized-books/world-war-i-declarations/foreign.php) -
Period: to
Battle of Gallipoli
{Battle of Gallipoli}(https://www.worldatlas.com/articles/major-battles-of-world-war-i-ww1.html) -
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Battle of Jutland
{Battle of Juntland}(https://www.worldatlas.com/articles/major-battles-of-world-war-i-ww1.html -
Battle of the Somme
{Battle of the Somme}(https://www.worldatlas.com/articles/major-battles-of-world-war-i-ww1.html) -
Archduke Ferdinand
[Assassination of Archduke Ferdinand}(https://www.history.com/news/the-assassination-of-archduke-franz-ferdinand-100-years-ago) -
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Battle of Passchendaele
{Battle of Passachendaele}( https://www.worldatlas.com/articles/major-battles-of-world-war-i-ww1.html) -
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China
{China declared war on Austria-Hungary}(https://wwi.lib.byu.edu/index.php/Declarations_of_War.) -
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Entry of Armistice Day
