October Revolution Seizes Power, Petrograd, Russia | 1917-11-07 October Revolution Seizes Power, Petrograd, Russia | 1917-11-07 Read More »
February Revolution Begins, Petrograd, Russia | 1917-03 February Revolution Begins, Petrograd, Russia | 1917-03 Read More »
United States Declares War on Germany, Washington, D.C., USA | 1917-04-06 United States Declares War on Germany, Washington, D.C., USA | 1917-04-06 Read More »
Battle of the Somme Begins, Albert, France | 1916-07-01 Battle of the Somme Begins, Albert, France | 1916-07-01 Read More »
Easter Rising Begins, Dublin, Ireland | 1916-04-24 Easter Rising Begins, Dublin, Ireland | 1916-04-24 Read More »
Allied Troops Land at Gallipoli, Cape Helles, Ottoman Empire | 1915-04-25 Allied Troops Land at Gallipoli, Cape Helles, Ottoman Empire | 1915-04-25 Read More »
United Kingdom Declares War on Germany, London, United Kingdom | 1914-08-04 United Kingdom Declares War on Germany, London, United Kingdom | 1914-08-04 Read More »
Austria-Hungary Declares War on Serbia, Vienna, Austria-Hungary | 1914-07-28 Austria-Hungary Declares War on Serbia, Vienna, Austria-Hungary | 1914-07-28 Read More »
Treaty of Bucharest Signed, Bucharest, Romania | 1913-08-10 Treaty of Bucharest Signed, Bucharest, Romania | 1913-08-10 Read More »
Second Balkan War Begins, Sofia, Bulgaria | 1913-06-29 Second Balkan War Begins, Sofia, Bulgaria | 1913-06-29 Read More »