LIEGE , Belgium, Aug. 4 (UPI) -- The start of World War I was commemorated Monday in Liege, Belgium, site of a 1914 battle in which 70,000 soldiers were killed in a single day.
World leaders and dignitaries, including Britain's Prince William, French President Francois Hollande and German President Joachim Gauck attended the ceremonies noting the August 4, 1914, invasion of neutral Belgium by Germany, which sparked Britain's declaration of war against Germany. The war ended four years later with an estimated 17 million to 20 million people killed.