Assertion: metric system | /r/HasProperty | based on the introduced
Facets:
value: by the first french republic
type: OTHER
value: originally
type: OTHER
value: in 1799
type: TEMPORAL
Source sentences:
text: It was originally based on the and the introduced by the First French Republic in 1799, but over the years the definitions of the metre and the kilogram have been refined, and the metric system has been extended to incorporate many more units.