 Nyora kupfuurira kweiyi ndima - Mushure mekuparadzwa kweGeneral Samsonovs 2nd Army mushure mekurwa kweTannenberg, 10th Army yakaumbwa mukupera kwaNyamavhuvhu 1914 kubva kumayuniti ekuchengetedza. Musi wa29 Nyamavhuvhu 1914, Vasily Flug akagadzwa kuve mukuru wemauto e10 uye akaita general wevarwi. Pasinei nokubudirira mabasa muhondo pamusoro rechi8 German Army uye kutora Suwałki, uye nokuda kusawirirana pamwe General Nikolai Ruzsky, Vasily Flug akanga musi 23 September 1914 yakamiswa nokuda mabasa ngozi nokuda mukuru wehondo uye kuchinjwa mukuru mukuru. Musi wa 4 Gumiguru 1914, akagadzwa kuti atarisire kudzorerwa kwe13th uye 15th Army Corps, iyo yakanga yaparadzwa yose muEastern Prussia munaAugust 1914. Musi wa 8 Chikunguru 1915, akagadzwa semutungamiri we2nd Army Corps. Akapiwa Order of St. George 4th degree. 