World War I begins following the assassination of Archduke Franz Ferdinand, leading to a conflict involving many world powers.
One of the largest battles of World War I, known for its heavy casualties and trench warfare.
A protracted and deadly battle between French and German forces, symbolizing the brutal nature of World War I.
The British first deploy tanks in combat during the Battle of the Somme, marking a significant evolution in warfare technology.
The United States declares war on Germany, joining the Allied Powers and changing the course of the conflict.
The Bolshevik Revolution leads to Russia's withdrawal from World War I and significant political changes.
Armistice signed, ending the fighting on the Western Front and concluding World War I.
The global conflict begins, leading to the mobilization of massive armies across Europe and the world.
The Japanese and British forces launch an assault on the German-held port of Tsingtao in China.
The British debut tanks during the Battle of the Somme, changing the face of warfare.
Marks the first large-scale effective use of tanks, leading to significant advances in warfare tactics.
T.E. Lawrence (Lawrence of Arabia) leads Arab tribes in revolt against Ottoman rule.
A major defeat for the Italian army by the Austro-Hungarian forces.
The Allies launch a major offensive that leads to the collapse of German resistance and the end of the war.
The armistice agreement is signed, ending active hostilities on the Western Front.