WWI By Antek12356 Jun 28, 1914 Assassination of Archduke Franz Ferdinand https://en.wikipedia.org/wiki/Assassination_of_Archduke_Franz_Ferdinand Jul 5, 1914 Kaiser Wilhelm II of Germany guarantee his country's support for Austria-Hungary in its conflict with Serbia https://www.history.com/this-day-in-history/germany-gives-austria-hungary-blank-check-assurance Jul 23, 1914 Austria-Hungary issue a ultimatum to Serbia https://www.history.com/this-day-in-history/austria-hungary-issues-ultimatum-to-serbia Jul 25, 1914 Austria-Hungary diplomats leave Serbia and begin full mobilisation https://www.historyplace.com/worldhistory/firstworldwar/index-1914.html Jul 28, 1914 Austria-Hungary declares war on Serbia https://www.history.com/this-day-in-history/austria-hungary-declares-war-on-serbia Jul 29, 1914 Russia begins troop mobilisation https://www.historyplace.com/worldhistory/firstworldwar/index-1914.html Jul 30, 1914 Austrian warships bombard Belgrade https://www.historyplace.com/worldhistory/firstworldwar/index-1914.html Aug 1, 1914 Germany declares war on Russia. France and Belgium start mobilization https://www.historyplace.com/worldhistory/firstworldwar/index-1914.html Aug 3, 1914 Germany declares war on France and invades Belgium https://www.historyplace.com/worldhistory/firstworldwar/index-1914.html Aug 4, 1914 Great Britain declares war on Germany. The declaration apply to all Britain colonies https://www.historyplace.com/worldhistory/firstworldwar/index-1914.html
