 He was sent to an air base in Hanover for flight training, but the war ended before he finished training.He talked vividly about the situation by explaining that the German Revolution broke out on November 9, 1918, which caused Kaiser Wilhelm II to abdicate and flee the country, and since at that point in time each soldier made his own decision about his immediate future, Walter decided to go home to Essen.After the Armistice, the city of Essen was occupied by the French Army.