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Archduke Francis Ferdinand is assassinated.
|Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, were assassinated on 28 June 1914 by Bosnian Serb student Gavrilo Princip, shot at close range while being driven through Sarajevo, the provincial capital of Bosnia-Herzegovina, formally annexed by Austria-Hungary in 1908. -
Austria-Hungary declares war on Serbia, beginning World War I.
one month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War. -
Austria-Hungary invades Russia.
The Austro-Hungarian Empire declares war on Russia. August 6, 1914 - French and British troops invade the German colony of Togo in West Africa. Twenty days later, the German governor there surrenders. -
Germany invades Luxembourg and Belgium. ..
German troops overran Belgium, the Netherlands, Luxembourg, and France in six weeks starting in May 1940. France signed an armistice in late June 1940, leaving Great Britain as the only country fighting Nazi Germany. -
Allied forces halt German advance into France during First Battle of the Marne.
The First Battle of the Marne was a battle of the First World War fought from 6 to 12 September 1914. ... The military governor of Paris, Joseph Simon Gallieni, wanted the Franco–British units to counter-attack the Germans along the Marne River and halt the German advance. -
Germany begins naval blockade of Great Britain.
The British—with their overwhelming sea power—established a naval blockade of Germany immediately on the outbreak of war in february 18 1915, issuing a comprehensive list of contraband that all but prohibited American trade with the Central powers. -
Italy declares war on Austria-Hungary.
On May 23, 1915, Italy declares war on Austria-Hungary, entering World War I on the side of the Allies—Britain, France and Russia. ... The decision to join the fray on the side of the Allies was based largely on the assurances Italy received in the Treaty of London, signed in April 1915. -
Germany begins the attack on Verdun.
At 7:12 a.m. on the morning of February 21, 1916, a shot from a German Krupp 38-centimeter long-barreled gun—one of over 1,200 such weapons set to bombard French forces along a 20-kilometer front stretching across the Meuse River—strikes a cathedral in Verdun, France, beginning the Battle of Verdun, which would stretch ... -
Naval Battle of Jutland takes place between British and German fleets.
Battle of Jutland, also called Battle of the Skagerrak, (May 31–June 1, 1916), the only major encounter between the main British and German battle fleets in World War I, fought near the Skagerrak, an arm of the North Sea, about 60 miles (97 km) off the west coast of Jutland (Denmark). -
United States severs diplomatic relations with Germany.
U.S.-German relations were terminated in 1917 during World War I, and the United States declared war on Germany. Relations were reestablished in 1921 but were severed again in 1941 during World War II when Nazi Germany declared war on the United States -
The United States declares war on Germany.
On April 2, 1917, President Woodrow Wilson went before a joint session of Congress to request a declaration of war against Germany. ... On April 4, 1917, the U.S. Senate voted in support of the measure to declare war on Germany. The House concurred two days later.