WW1 Timeline Project

By gabbyap

  • The Start Of WW1

    Archduke Franz Ferdinand was assassinated in 1914 in Sarajevo. Which caused the start of WW1.

  • Austro- Hungary issued an ultimatum to Serbia

    Austria-Hungary issued an ultimatum to Serbia with harsh demands, leading to the declaration of war.

  • Germany's Blank Check Assurance

    Germany provided unconditional support to Austria-Hungary, encouraging aggressive actions.

  • Russian Mobilization

    Russia began mobilizing its army to support Serbia, escalating tensions.

  • Germany's Declaration of War on Russia

    Germany declared war on Russia, bringing Europe closer to a full-scale war.

  • Germany's Declaration of War on France

    Germany declared war on France and implemented the Schlieffen Plan to invade Belgium.

  • Invasion of Belgium

    Germany invaded neutral Belgium, prompting Britain to declare war on Germany.

  • Battle of the Marne

    The Allies stopped the German advance into France, leading to trench warfare.

  • Introduction of Poison Gas

    Germany used chemical weapons for the first time at the Second Battle of Ypres.

  • Sinking of the Lusitania

    A German U-boat sank the British ocean liner, killing many civilians, including Americans.

  • Gallipoli Campaign

    An unsuccessful Allied attempt to control the sea route from Europe to Russia.

  • Battle of the Somme

    A major Allied offensive with massive casualties, highlighting the horrors of trench warfare.

  • Battle of Verdun

    One of the longest and costliest battles in WWI, symbolizing French determination.

  • Zimmermann Telegram

    A secret German proposal to Mexico to join the war against the U.S., which was intercepted and made public.
  • The Treaty of Versaille.

    The Treaty of Versaille.

    subjected germany to strict punitive measures.