(A) attack on Pearl Harbor by Japan
(B) Germany’s invasion of Poland
(C) Bolshevik coup d’état in Russia
(D) ** assassination of the Austrian Archduke
EXPLANATIONS BELOW
Concept note-1: -Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo on June 28, 1914. The killings sparked a chain of events that led to the outbreak of World War I by early August.
Concept note-2: -World War I began after the assassination of Austrian archduke Franz Ferdinand by South Slav nationalist Gavrilo Princip on June 28, 1914.
Concept note-3: -Two shots in Sarajevo ignited the fires of war and drew Europe toward World War I. Just hours after narrowly escaping an assassin’s bomb, Archduke Franz Ferdinand, the heir to Austro-Hungarian throne and his wife, the Duchess of Hohenberg, are killed by Gavrilo Princip.