events, First World War / WWI, Eastern front, warning of Russian reprisals, Insterburg, East Prussia, Germany, ,

---

Additional-Rights-Clearances-NA

---

Size: 2456px × 3632px
Location:
Photo credit: © INTERFOTO / History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1910s, 1st, 20th, army, bierfreund, century, chernyakhovsk, dr., eastern, events, front, general, historic, historical, occupation, paul, rennenkampf, russian, von, war, warning, world, wwi