Random triples
| Subject | Object |
|---|---|
| gptkb:Royal_Citadel | 2020s |
| gptkb:Fort_Queenscliff | late 20th century |
| gptkb:Fredrikstad_Fortress | 1903 |
| gptkb:Landguard_Fort | 1956 |
| gptkb:Battery_Weed | 1948 |
| gptkb:sea_fortress_Suomenlinna | 1973 |
| gptkb:Fort_Binġemma | 1970s |
| gptkb:Drake's_Island_Fort | 1960s |