WorldWar 1

Assassination of Archduke Ferdinand

Jun 28, 1914

https://www.history.com/this-day-in-history/archduke-ferdinand-assassinated https://www.youtube.com/watch?v=ZmHxq28440c

Germany declared war on Russia

Aug 1, 1914

https://www.quora.com/Why-did-Japan-declare-war-on-Germany-in-World-War-I

Germany declared war on France

Aug 3, 1914

https://www.history.com/this-day-in-history/germany-and-france-declare-war-on-each-other

Russia declared war on Turkey

Nov 2, 1914

https://worldhistoryproject.org/1914/11/2/russia-declares-war-on-turkey

Russia and Serbia declares war on Ottoman

Nov 2, 1914

https://www.rbth.com/history/326576-russia-war-ottoman-empire

Italy declares war on Austria-Hungary

May 23, 1915

https://www.history.com/this-day-in-history/italy-declares-war-on-austria-hungary

France declares war on Bulgaria

Oct 16, 1915

https://www.history.com/this-day-in-history/bulgaria-enters-world-war-i

Germany declares war on Portugal

Mar 9, 1916

https://www.history.com/this-day-in-history/germany-declares-war-on-portugal

Battle of Jutland

May 31, 1916

https://www.definitions.net/definition/battle%20of%20jutland

USA declares war on Germany

Jun 4, 1917

https://history.state.gov/milestones/1914-1920/wwi

Greece declares war on Austria-Hungary

Jun 27, 1917

https://worldhistoryproject.org/1917/6/27/greece-declares-war-on-austria-hungary-bulgaria-germany-and-turkey

China declares war on Germany

Aug 14, 1917

https://worldhistoryproject.org/1917/8/14/china-declares-war-on-germany

Armistice Day

Nov 11, 1918

https://www.va.gov/opa/vetsday/vetdayhistory.asp https://www.youtube.com/watch?v=IFt1zweVO6o

Treaty of Versailes

Jan 10, 1920

https://www.history.com/topics/world-war-i/treaty-of-versailles-1