Organizations, places, companies, or other things that were founded or established in the Kingdom of Jerusalem in the 12th century.
| 11th c. ← Establishments in the Kingdom of Jerusalem in the 12th century → 13th c. |
| 1100s • 1110s • 1120s • 1130s • 1140s • 1150s • 1160s • 1170s • 1180s • 1190s |
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