This alliance system, consisting of Germany, Austria-Hungary, and Italy, was one of the key factors leading to the outbreak of World War I.
Triple Alliance
This Bosnian Serb nationalist assassinated Archduke Franz Ferdinand of Austria-Hungary, triggering the chain of events that led to World War I
Gavrilo Princip
This event, also known as "The Great War," began on July 28, 1914, and lasted until November 11, 1918
World War I
This type of weapon, commonly used in trench warfare, fired explosive shells over long distances.
artillery
These two countries were not present durning the peace talks in the aftermath of WWI
Russia & Germany
This term refers to the intense competition among European powers for colonies, resources, and global dominance in the late 19th and early 20th centuries, contributing to tensions that led to WWI.
Imperialism
This American president proposed the famous Fourteen Points as a basis for peace negotiations after World War I
Woodrow Wilson
This British ocean liner, sunk by a German submarine on May 7, 1915, played a significant role in turning American public opinion against Germany and eventually led to the United States joining World War I
Lusitania
Named after a British city, this type of armored vehicle was introduced during World War I and played a role in breaking the stalemate of trench warfare.
Tank
This country experienced significant political upheaval and the overthrow of its monarchy as a result of World War I.
Russia
The assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, occurred in this city, setting off a chain of events that led to the outbreak of World War I.
Sarajevo
This leader of Russia lost the throne during World War I due to internal unrest and military failures.
Czar Nicholas II
In 1917, this intercepted message, sent by Germany to Mexico, proposed a military alliance against the United States, ultimately contributing to America's decision to enter World War I.
Zimmerman Telegram
This poisonous gas, initially used by the Germans in 1915, caused choking and blistering and was one of the most feared weapons of World War I.
Mustard Gas
This treaty, signed in 1919, officially ended World War I and imposed heavy penalties on Germany.
Treaty of Versailles
This term refers to the intense competition among European powers for military supremacy and the buildup of large standing armies, which contributed to the outbreak of World War I.
Militarism
This British statesman was a key figure in the negotiations of the Treaty of Versailles that ended World War I.
David Lloyd George
This international conference, held in 1919, aimed to negotiate peace terms and treaties following the conclusion of World War I.
Paris Peace Conference
This technological innovation, used for the first time in World War I, allowed for communication without the need for physical wires and significantly improved battlefield coordination.
Radio Communication
This international organization was established after World War I to promote peace and cooperation among nations.
League of Nations
This agreement between Great Britain, France and Russia, aimed at countering the Triple Alliance, added to the tensions in Europe prior to World War I.
Triple Entente
This Austrian-born leader of Germany during World War I was known for his aggressive foreign policies and expansionist ambitions, which contributed to the outbreak of the war
Kaiser Wilhelm II
On what date was the Armistice of 1918 signed, effectively ending World War I?
November 11th, 1918
This terrifying weapon, which projected a stream of ignited fuel, was used by both sides in World War I to clear enemy trenches and fortifications
Flamethrower
This document, proposed by President Woodrow Wilson in 1918, outlined his vision for a post-World War I world order, advocating for principles such as self-determination and international cooperation.
Fourteen Points Plan