wwl

By nick payne

  • alliances

    alliances
    There were a lot of defense alliances between the major European countries. So if one country declare war on another country then all the countries defense allies would declare war on one country.

  • assassination

    assassination
    The assassination of Archduke Franz Ferdinand in Sarajevo.

  • threats

    threats
    Austria-Hungary threatened war on Serbia after assassination. Germany sided by Austria-Hungary, while Russia sided with the Serbians.

  • WAR BREAKS OUT

    WAR BREAKS OUT
    Austria-Hungary declared war on Serbia.

  • MORE WAR

    MORE WAR
    Germany then declared war on Russia to help Austria-Hungary.

  • EVEN MORE WAR

    EVEN MORE WAR
    German troops marched to France and the route went through Belgium. Since Britain had agreed to maintain the fairness of Belgium, so they immediately declared war on Germany.