Assertion: metro's line | /r/HasProperty | opened with gas-lit wooden carriages
Facets:
value: on 10 january
type: TEMPORAL
Source sentences:
text: Its first line connected the mainline railway termini at Paddington, Euston and King's Cross to the City, and when, on 10 January 1863, this line opened with gas-lit wooden carriages hauled by steam locomotives, it was the world's first underground railway.