The event that triggered first world war was the assassination of Archduke Franz Fredinand of Austria by a Yugoslavian nationalist Gavrilo Princip. This started a diplomatic crisis which eventually started the conflict.
the murder of Franz Ferdinand by members of the blackhand gang.
Attack On Pearl Harbor
the turning point or watershed event was when new weapons where used such as pionsin gas(Germany) and tanks(France) this brought new light to the stand still on trench warfare.
September 1, 1939 was the official beginning of World War 2.
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
Because they did not have WWII
That was the beginning for the US. The end was dropping the A-bombs.
The atomic bomb
The assassination of Archduke Ferdinand was the one event that pushed Europe over the edge and brought about World War I.
The battle of Midway
The assassination of Archduke Ferdinand.
Invasion of Poland
because, when Belgium was invaded, it brought Britain into the war
The dropping of the Atomic Bombs was considered the beginning of the end of World War 2. It did motivate Emperor Hirohito to surrender.
France
The Cuban Missile Crisis is the event that brought the world closest to a nuclear fallout.
Pearl Harbor bombing
World War II brought the end of colonialism.