PARIS (AP) — Unleashed by an archduke's assassination, World War I gradually entangled more and more countries, killing millions of soldiers and civilians and touching multiple continents.

5:00am: The Armistice is signed, ending the war between Germany and the Allies. 10:59am: Henry Gunther, a US soldier of German descent, is the last man to be killed in action in the First World War.

Discover the pivotal events between 1918 and 1942 that shaped the first half of World War II. This timeline traces that path from the bitter conclusion of the First World War through the ...

We take a look at how the First World War unfolded. Supporting troops of the 1st Australian Division walking on a duckboard track near Hooge, in the Ypres Sector, 5 October 1917. (Australian War ...

March: British capture Baghdad. April 6: U.S. declares war on Germany. June: First U.S. troops arrive in France. Greece enters the war on the side of the Allies. July: T.E. Lawrence and the Arabs ...

an event which set off a chain reaction of events which would eventually lead to World War I. (AP) April 22: First use of a chemical weapon , chlorine gas, near Ypres, Belgium May 7: British ship ...

10:59am: Henry Gunther, a US soldier of German descent, is the last man to be killed in action in the First World War. 11:00am: The Armistice comes into effect.

June 28 - Archduke Franz Ferdinand, heir to the throne of the Austro-Hungarian Empire, assassinated in Sarajevo, beginning events which lead to a general European war. August 4 - Britain declares ...