World War I

World War I (The Great War)

When it happened

  • Start: July 28, 1914.
  • End: November 11, 1918.
  • Duration: Approximately 4 years and 4 months.

Main causes

  1. The assassination of Archduke Franz Ferdinand of Austria in Sarajevo (June 28, 1914), which triggered pre-existing tensions.
  2. Territorial, economic, and colonial rivalries among major European powers.
  3. A complex system of military alliances, which pulled many countries into the conflict.

Countries involved

The nations were divided into two major alliances:

  1. The Allies (Triple Entente):
    • France, United Kingdom, Russia (until 1917).
    • Italy (joined in 1915), Japan, United States (joined in 1917).
    • Other nations: Serbia, Belgium, Greece, Portugal, Romania, among others.
  2. The Central Powers:
    • Germany, Austro-Hungarian Empire, Ottoman Empire (modern-day Turkey), and Bulgaria.

Where it was fought

While it was a global conflict, the primary battlefronts were:

  • Western Front: In France and Belgium (trenches between Germany and the Allies).
  • Eastern Front: In Eastern Europe (Russia against Germany and Austria-Hungary).
  • Italian Front: Between Italy and Austria-Hungary.
  • Balkan Front: In Southeast Europe.
  • Battles also took place in Africa, the Middle East, and the Atlantic Ocean.

Estimated deaths

The war caused:

  • Over 20 million deaths, including both military and civilian casualties.
  • An additional 21 million wounded and millions of displaced people.

Consequences

  1. The collapse of the German, Austro-Hungarian, Ottoman, and Russian Empires.
  2. Redrawing of Europe and the Middle East’s borders.
  3. The establishment of the League of Nations (a precursor to the UN).
  4. The harsh terms imposed on Germany by the Treaty of Versailles (1919), which set the stage for future conflicts, particularly World War II.

Legacy

World War I is remembered not only for its military impact but also for introducing technological warfare (tanks, airplanes, chemical weapons) and the horrific human conditions in battlefields, especially in the trenches.