Which event led to World War I?

The event that directly led to World War I was the assassination of Archduke Franz Ferdinand of Austria-Hungary. However, it is important to understand that there were various underlying causes and tensions among the major European powers that contributed to the outbreak of the war.

To get a deeper understanding of the causes of World War I, it is necessary to examine the following factors:

1. Nationalism: The strong sense of patriotism and loyalty to one's own nation created tensions among powerful nations who sought to assert their dominance.

2. Imperialism: The competition for colonies and resources fueled rivalries and conflicts between nations, as they sought to expand their territories and influence.

3. Militarism: The arms race between major powers, such as Germany and Britain, and the build-up of military forces heightened tensions and made war more likely.

4. Alliances: Complex web of alliances between nations created a situation where a small conflict between two nations could easily escalate into a larger war involving multiple countries. The two main alliances were the Triple Entente (comprising France, Russia, and Britain) and the Central Powers (comprising Germany, Austria-Hungary, and later joined by Italy and the Ottoman Empire).

5. The assassination of Archduke Franz Ferdinand: On June 28, 1914, Archduke Franz Ferdinand of Austria-Hungary was assassinated by a Serbian nationalist in Sarajevo. This event sparked a diplomatic crisis and led to a series of escalating actions and counteractions between nations, ultimately triggering the outbreak of World War I.

Understanding these underlying causes helps in comprehending the historical context and the complexity of the events that led to World War I.