extensionOpeningYear

P105509
predicate

Indicates the year in which an extension to an existing entity (such as a building, line, or service) was officially opened or put into operation.

All labels observed (2)

Label Occurrences
extensionOpeningYear canonical 6
hasExtensionOpeningYear 2

Sample triples (8)

Subject Object
MRT Blue Line 2019
MRT Blue Line 2020
Länsimetro 2022
Shenzhen Metro Line 3 2011 via predicate surface "hasExtensionOpeningYear"
Shenzhen Metro Line 3 2016 via predicate surface "hasExtensionOpeningYear"
Island Line 1986
Island Line 1989
Island Line 2014