CRATHIE, SCOTLAND - AUGUST 04:  Queen Elizabeth II (C) attends a service of commemoration at Crathie Kirk Church on August 4, 2014 in Crathie, Aberdeenshire, Scotland.  Monday 4th August marks the 100th anniversary of Great Britain declaring war on Germany. In 1914 British Prime Minister Herbert Asquith announced at 11 pm that Britain was to enter the war after Germany had violated Belgium neutrality. The First World War or the Great War lasted until 11 November 1918 and is recognised as one of the deadliest historical conflicts with millions of causalities. A series of events commemorating the 100th anniversary are taking place throughout the day.  (Photo by Andrew Milligan - WPA Pool /Getty Images)