WW1 Timeline By PyperKent Jun 28, 1914 Francis Ferdinand was assassinated. Jun 28, 1914 Austria-Hungary declares war on Serbia Jul 28, 1914 Start Of World War 1 Aug 2, 1914 Germany invades Luxembourg and Belgium. Aug 10, 1914 Austria-Hungary invades Russia Sep 9, 1914 Allied forces halt German advance into France during the First Battle of the Marne. Feb 18, 1915 Germany begins a naval blockade of Great Britain. Apr 25, 1915 Allied forces Land on the Gallipoli Peninsula of the Ottoman Empire. Jul 5, 1915 German submarine sinks the passenger liner Lusitania During crossing from New York to Liverpool, England, killing 128 Americans. Nov 11, 1918 End Of World War 1
