- The Osowiec Fortress was built in the years 1882-1892 and 1922-1932 (modernisation and expansion) and in 1939 (expansion), as a barrier fortress...
- The Battle of Osowiec Fortress served as the backdrop for an extraordinary event where Russian soldiers, condemned to death by gassing, chose to fight back.
- The Osowiec fortress is in Northeastern Poland a symbol of the former Russian Empire during WW1 when three German and Austo-Hungarian forces failed to...
- 53°28′20″N 22°39′06″E / 53.47222°N 22.65167°E. Monument in Osowiec Fortress. Fort II of Osowiec Fortress. Soldiers outside the Osowiec fortress church, 1915.
- Osowiec Fortress (Polish Twierdza Osowiec) - a 19th century fortress located in north-eastern Poland, originally built by the Russian Empire.
- On August 6, 1915, The Germans and Russians clashed in Osowiec fortress. The Germans fought ferociously and pushed hard into Osowiec.
- Osowiec Fortress (Polish Twierdza Osowiec) is a 19thcentury fortress located in northeastern Poland, originally built by the Russian Empire.
- Fortress Osowiec - Fort I #4. This enormous fortress was constructed by the Russians from 1882 to 1892 and saw heavy fighting during the First World War.
- English: Osowiec-Twierdza is a town in the Podlasie Vojvodship in north-east Poland, in which there is a Osowiec Fortress. Headquarters - Biebrza National Park.