Assertion: prefix | /r/MadeOf | obsolete
Facets:
value: in 1901
type: TEMPORAL
value: in the united states
type: LOCATION
Source sentences:
text: In the United States, all prefixes other than "USS", "USNS", "USNV", and "USRC" were made obsolete in 1901, when President Theodore Roosevelt issued an Executive order fixing American naval nomenclature.