Franz Ferdinand and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo. The killings sparked a chain of events that led to the outbreak of World War I by early August.
austria-Hungary declares war on Serbia, beginning World War I.
the British declaration of war on Germany
Germany begins naval blockade of Great Britain.
German submarine sinks the passenger liner Lusitania during crossing from New York to Liverpool, England, killing 128 Americans.
Gallipoli war
Battle of Verdun
Battle of Verdun ends with 550,000 French and 450,000 German casualties.
revolution in russia
General John J. Pershing, newly selected commander of the American Expeditionary Forces, arrives in England with his staff.
Russia signs armistice with Germany.
President Woodrow Wilson presents to Congress his outline of Fourteen Points required for peace.
