DATES IN THE GREAT WAR June 28. Assassination of the Archduke Francis Fer- dinand. July 23. Austria sends an ultimatum to Servia. 25. Servia answers and Austria declares the reply unsatisfactory. 28. Austria declares war on Servia. Russia orders partial mobilization against Austria. 29. Austria bombards Belgrade. 31. Germany in an ultimatum demands that Rus- sia demobilize. Belgian mobilization ordered. German mobilization ordered. August I. Germany declares war on Russia. German mobilization begun. 2. German troops enter Luxemburg. Germany asks Belgian government to permit German troops to cross Belgium. Belgium declines to permit this. 3. German troops enter Belgium. French mobilization ordered. King Albert of Belgium appeals to Great Britain. Sir Edward Grey in the House of Commons foreshadows British action. '4. Great Britain sends an ultimatum to Gcr- 249