Random triples
| Subject | Object |
|---|---|
| gptkb:Hindenburg_Line,_France | 1918 |
| gptkb:Byzantine_Walls | 1453 |
| gptkb:The_Gustav_Line | May 1944 |
| gptkb:Mannerheim_Line | 1940 |
| gptkb:Constantinople_city_walls | 1453 |
| gptkb:Theodosian_Wall | 1453 |
| gptkb:Historic_Walls_of_Constantinople | 1453 |
| gptkb:The_Hitler_Line | May 1944 |
| gptkb:The_Walls_of_Constantinople | 1453 |
| gptkb:Fortifications_of_Constantinople | 1453 |