Share This Article 1. From the 790s to the 1000s Christian monks often prayed to be spared from the fury of these people. The Avars The Viking The Huns The Moors 2. This German World War One flying ace’s autobiography was titled in English: Ace of the Iron Cross Hermann Goering Wilhelm Frankl Lothar von Richthofen Ernst Udet 3. This German general’s nickname was “The Sphinx.” Paul von Hindenburg Rüdiger von Goltz Wilhelm Groener Hans von Seeckt Loading …