Assertion: american bison | /r/HasProperty | seen for first time
Facets:
value: by civilized europeans
type: OTHER
value: in the year
type: TEMPORAL
Source sentences:
text: In the year 1521, when Cortez reached Anahuac, the American bison was seen for the first time by civilized Europeans, if we may be permitted to thus characterize the horde of blood thirsty plunder seekers who fought their way to the Aztec capital.