Forgotten History: 'Blitzkrieg' Was a German Spin of British Strategy The great irony, of course, is that Plan 1919 did see the light of day. Except that it was the Germans who implemented it. Key point: Yet had the First World War continued into 1919, Fuller envisioned something much, much more ambitious. Blitzkrieg is usually thought of as a German invention in World War II. But had Imperial Germany not been defeated in November 1918, the first victims of mechanized warfare might have been the Germans themselves in World War I. Plan 1919 would have amassed an astonishing 5,000 tanks for a...