historicalIntroductionPeriod
P136449
predicate
Indicates the time period during which something was first introduced or came into use in a historical context.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| introductionEpoch | 1 |
Sample triples (2)
| Subject | Object |
|---|---|
| Kangra tea | mid-19th century ⓘ |
| Circinus | 18th century via predicate surface "introductionEpoch" ⓘ |