12th Century
| Year | Date | Event |
|---|---|---|
| 1112 | The first record mentions Ljubljana by its modern name (by its German name Castrum Laibach). (to 1125) | |
| 1122 | The first mention of Celje in the early Middle Ages under the name of Cylie in Admont's Chronicle. (to 1137) |
Read more about this topic: Timeline Of Slovenian History