In regards to World War 1, it was Ferdinand's assasination that was significant as it was the catalyst that made Austria-Hungary declare war on Serbia.
The event that officially marked the end of World War I was the Treaty of Versailles. It was signed in a railroad car on June 28, 1919.
The assassination of Archduke Ferdinand was the one event that pushed Europe over the edge and brought about World War I.
Karan Chehall.
invasion of poland
sinking lusitania
The assassination of Archduke Franz Ferdinand of Austria by Gavrilo Princip .
which event sparked world war 1?
Which event at the conclusion of World War 2 initiated the Cold War?Read more: Which_event_at_the_conclusion_of_World_War_2_initiated_the_Cold_War
The catalyst that led to the start of World War II in Europe was Germany's invasion of Poland in September 1939. This act prompted Britain and France to declare war on Germany, setting off a chain reaction of military conflicts that escalated into a global war.
The sinking of the Lucitania was the event that made the United States join World War 1
The Iraq War.
world war 2
The attack upon Pearl Harbor, Hawaii and World War 2 were the primary reasons isolationists gave up their notions of isolationism.
The correct answer is World War II.
The Bolshevik Revolution was the event that led to Russia's early exit from World War 1. It was a costly war for Russia.
World War 2