Archduke Franz Ferdinand of Austria-Hungary and his wife were assassinated in Sarajevo, Bosnia-Herzegovina provoking World War I.
1914 · Germany declares war on Russia
On August 1, 1914, Germany declared war on Russia, sparking World War I. This would not be the last time Germany caused a world war. After the Allies defeated Germany, they signed the Treaty of Versailles.
German (Gäckle): from a diminutive of geck ‘childish’, ‘foolish’. This name is one of the German family names that were established in Russia in the 19th century.