World War I

By aaadriann
  • Murder of the heir to the Austro-Hungarian Empire

    Murder of the heir to the Austro-Hungarian Empire

    This was one of the triggers of the First World War.
  • Period: to

    Movement war

    At the beginning of the war there were many troop movements, since both fronts wanted to obtain a quick victory.

  • Invasion of East Prussia

    One of the largest confrontations on the eastern front.
  • Battle of Tannenberg

    Battle of Tannenberg

  • 1st battle of the Marne

    1st battle of the Marne

  • Period: to

    Trench warfare

    After the Battle of the Marne, the armies protected themselves with trenches to prevent enemy advances.

  • Italy enters the war

  • Bulgaria declares war on Serbia

  • Bulgaria enters the Triple Alliance

  • Brusilov Offensive

    Russian offensive on the eastern front.
  • Battle of the Somme

    Battle of the Somme

    The United Kingdom launched an assault against the German trenches.

  • Romania enters the war

  • End of the Battle of Verdun

    End of the Battle of Verdun

    France obtains victory after almost ten months and 700,000 casualties between French and German.
  • Period: to

    Crisis

    Russia abandons the war and the United States declares war on Germany.

  • Revolution in Russia

    The continuous defeats in the Great War and the consequent massive desertions led to the greatest revolution of the 20th century.
  • United States enters war

    United States enters war

  • Kerensky offensive

    Russia launches another offensive against Germans and Austrians.

  • Second phase of the revolution in Russia

  • Period: to

    Final stage

    The signing of the Treaty of Versailles signed on June 28, 1919 finally marked peace.
  • Treaty of Brest-Litovsk with Russia

    Treaty of Brest-Litovsk with Russia

    It ended Russian participation in the First World War.
  • 2nd battle of the Marne

    2nd battle of the Marne

    It was the last major German offensive on the Western Front, which concluded with the armistice.
  • Armistice

    Armistice

    It marked the end of fighting in Europe during World War I.
  • Treaty of Versailles

    Treaty of Versailles

    It formally ended World War I and at the same time laid the foundation for World War II.