Oct 29, 2009 · World War I, also known as the Great War, started in 1914 after the assassination of Archduke Franz Ferdinand of Austria. His murder escalated into a war across Europe that lasted until …

World War I was fought from 1914 to 1918. Learn more about World War I combatants, battles and generals, and what cau...

Apr 6, 2017 · The United States entered World War I in 1917, following the sinking of the British ocean liner Lusitania and the sho...

Sep 11, 2025 · World War I not only toppled empires and redrew borders—it remade the modern world, with few nations feeling the effects as profoundly as Great Britain. The country’s deadliest war —from ...

Oct 29, 2009 · The Treaty of Versailles was signed in 1919 and set harsh terms for Germany’s surrender to Allied powers after World ...

Mar 10, 2010 · At the 11th hour on the 11th day of the 11th month of 1918, World War I ends. At 5 a.m. that morning, Germany signed ...

Apr 23, 2018 · Trenches—long, deep ditches dug as protective defenses—are most often associated with World War I, and the results of trench warfare in that conflict were hellish indeed.

Feb 10, 2022 · Even though airplanes were a relatively new invention, the race for air superiority started during World War I.

May 17, 2021 · The Germans were the first to successfully weaponize gas in World War I—to horrifying effect.

Jun 2, 2014 · Before London was blitzed in World War II, massive German zeppelins rained bombs and terror upon the British capital in World War I.