firstSectionOpenedDate

8 triples
GPTKB property

Random triples
Subject Object
gptkb:Line_1_(Sokolnicheskaya_Line) May 15, 1935
gptkb:Singapore_MRT_system 7 November 1987
gptkb:London_Underground_Metropolitan_Line 10 January 1863
gptkb:Namma_Metro 20 October 2011
gptkb:Line_1_(São_Paulo_Metro) September 14, 1974
gptkb:Santiago_Metro_Line_1 September 15, 1975
gptkb:Metro_Warsaw April 7, 1995
gptkb:Delhi_Metro 24 December 2002