Assertion: brown rat | /r/CapableOf | reach north america
Facets:
value: around 1755
type: TEMPORAL
Source sentences:
text: Norway rats reached North America around 1755 on the ships of the new settlers (Grzimek 1968) and are reported on the east coast of the United States in 1775 (Lantz 1909, reported in Jackson 1982 and Krinke 2000).