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