firstLineOpeningDate
P44081
predicate
Indicates the date on which the first line in a system, network, or service was officially opened or began operation.
Observed surface forms (1)
- openingDateLine1 ×2
Sample triples (3)
| Subject | Object |
|---|---|
| Fuxingmen station | 1971 via predicate surface "openingDateLine1" ⓘ |
| IND | September 10, 1932 ⓘ |
| Jianguomen station | 1981 via predicate surface "openingDateLine1" ⓘ |