firstInvocationDate
P75914
predicate
Indicates the date on which the entity was first invoked, used, or called for the first time.
Sample triples (2)
| Subject | Object |
|---|---|
| Article 50 TEU | 29 March 2017 ⓘ |
| Article 50 of the Treaty on European Union | 29 March 2017 ⓘ |