World War I: Summary, Causes & Facts | HISTORY
Oct 29, 2009 · World War I started in 1914, after the assassination of Archduke Franz Ferdinand, and ended in 1918. During the confl...
World War I: Causes and Timeline | HISTORY
World War I was fought from 1914 to 1918. Learn more about World War I combatants, battles and generals, and what cau...
8 Events that Led to World War I - HISTORY
Apr 6, 2021 · Imperialism, nationalistic pride and mutual alliances all played a part in building tensions that would erupt into war.
Why Did the US Enter World War I? | HISTORY
Apr 6, 2017 · The United States entered World War I in 1917, following the sinking of the British ocean liner Lusitania and the sho...
How the Sinking of Lusitania Changed World War I | HISTORY
Apr 17, 2018 · A German U-boat torpedoed the British-owned steamship Lusitania, killing 1,195 people including 123 Americans, on May...
Why World War I Ended With an Armistice Instead of a Surrender
Oct 31, 2018 · On the 11th hour of the 11th day of the 11th month of 1918, fighting in World War I halted-but it would not be until ...
How the Shocking Use of Gas in World War I Led Nations to Ban It
May 17, 2021 · The Germans were the first to successfully weaponize gas in World War I—to horrifying effect.
How a Regional Conflict Snowballed Into World War I | HISTORY
Feb 4, 2022 · When Austria-Hungary declared war on Serbia in 1914, each of their allies quickly joined the fight.
How World War I Fueled the Russian Revolution | HISTORY
Apr 28, 2021 · World War I saw the crumbling of empires, and among those to collapse was the Russian empire of Czar Nicholas II. When Nicholas declared war against Germany and Austria-Hungary in …
Austria-Hungary issues ultimatum to Serbia - HISTORY
Oct 28, 2009 · Acting with the full support of its allies in Berlin, Austria-Hungary had determined in the aftermath of Franz Ferdinand’s assassination to pursue a hard-line policy towards Serbia. Their plan ...