The 21 cm Haubitze M1891 or (21 cm Howitzer Model 1891) in English was a fortress gun built by Krupp that armed the forts of several European countries...
17 KB (1,845 words) - 09:12, 2 February 2024
World War I 209 21 cm Mörser M1880 German Empire World War I 209 21 cm Haubitze M1891 German Empire World War I 210 210 mm M1894 Belgium World War I...
8 KB (99 words) - 00:52, 21 February 2024