The long 20th century By Adundas 10,000 BCE Jordbrukssamfunnet oppstår 793 Vikingene plyndrer Lindisfarne kloster Vikingene seiler over til England hvor de plyndrer Lindisfarne kloster. Dette markerer starten på vikingtiden Jan 18, 1871 Reichsgründung All the german states are gathered into one german state. Jun 28, 1914 Franz Ferdinand Shot Period: Jul 11, 1914 to Nov 11, 1918 The First World War Period: Sep 3, 1939 to Sep 2, 1945 Second World War Period: Sep 15, 1947 to Dec 25, 1991 The Cold War