Assertion: metric system | /r/HasProperty | established as legal monopoly
Facets:
value: in 1840
type: TEMPORAL
value: in france
type: LOCATION
Source sentences:
text: Nonetheless, in the competition between the two systems existing side by side, the advantages of metrics proved decisive; in 1840 it was established as the legal monopoly in France, and from that point forward its progress throughout the world has been steady, though it is worth observing that in many cases the metric system was adopted during the course of a political upheaval, just as in its original French beginning.