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WWI Begins
Serbia declares war on Austria-Hungary, quickly leading to the First World War -
Period: to
World War I
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USA Joins WWI
US Congress declares war on Germany -
Spanish Flu Outbreak in USA
First observed in south-west Kansas -
Period: to
Spanish Flu Pandemic
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Spanish Flu Reaches New York
Firsrt observed in Queens, New York City -
Second More Violent Strain
Hits North France; West Africa; and Boston, USA. -
World War I Ends
Germany signs Armistice with Allies -
Third Calmer Strain
Another outbreak occurs, but results in fewer deaths -
Millilons of Deaths
Millions have died by this stage -
Spanish Flu Dies Out
No new deaths are reported