WW1

Assassination of Archduke Ferdinand

Jun 28, 1914

[Assassination of Archduke Ferdinand]https://www.history.com/news/the-assassination-of-archduke-franz-ferdinand-100-years-ago

Austria - Hungary declares war on serbia

Jul 28, 1914

{Austria - Hungary declares war on serbia}
https://www.history.com/this-day-in-history/austria-hungary-declares-war-on-serbia

Germany Declares War on Russia

Aug 1, 1914

{Germany Declares War on Russia}
https://www.loc.gov/rr/news/topics/ww1declarations.html

Germany declares war on france

Aug 3, 1914

{Germany declares war on france}
https://www.loc.gov/rr/news/topics/ww1declarations.html