firstLineOpeningDate

P44081
predicate

Indicates the date on which the first line in a system, network, or service was officially opened or began operation.

All labels observed (5)

Label Occurrences
firstLineOpeningDate canonical 8
openingDateLine1 7
firstLineOpeningYear 2

Description generation (PDg)

The one-sentence description above was generated by prompting gpt-5.1 with the predicate name and this instruction.

Instruction
Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'
Input
Predicate: firstLineOpeningDate
Generated description
Indicates the date on which the first line in a system, network, or service was officially opened or began operation.

Sample triples (20)

Subject Object
IND September 10, 1932
Jianguomen station 1981 via predicate surface "openingDateLine1"
Fuxingmen station 1971 via predicate surface "openingDateLine1"
Santo Domingo Metro 2009
Metrocable Medellín Line K 2004
Lignes à grande vitesse (LGV) network
surface form: Lignes à grande vitesse network
1981 via predicate surface "firstLineOpeningYear"
Great North of Scotland Railway 1854 via predicate surface "dateOfFirstSectionOpening"
Rennes Metro 2002-03-15
Hollandsche IJzeren Spoorweg-Maatschappij 1839 via predicate surface "openingDateOfFirstLine"
Convention & Exhibition Center station 2004 via predicate surface "openingDateLine1"
Jongno 3-ga Station 1974-08-15 via predicate surface "openingDateLine1"
AVE 1992-04-21
AVE network 1992-04-21
Chengdu Metro 2010-09-27 via predicate surface "openingDateOfFirstLine"
LAZ
surface form: San Lázaro metro station
1969-09-05 via predicate surface "openingDateLine1"
Candelaria 1969-09-05 via predicate surface "openingDateLine1"
Harbin Metro 2013-09-26
Buenos Aires Underground public transit system
surface form: Buenos Aires Underground
1 December 1913
LGV network in France 1981 via predicate surface "firstLineOpeningYear"
Chamartín metro station 1982 via predicate surface "openingDateLine1"