Assertion: network era | /r/UsedFor | refer to the period
Facets:
value: in television broadcasting
type: OTHER
value: to the mid-1980s
type: TEMPORAL
value: from 1952
type: TEMPORAL
value: in american television history
type: TEMPORAL
Source sentences:
text: In television broadcasting, the Network Era refers to the period in American television history from 1952 to the mid-1980s, when the television market was controlled by a few large television networks, ABC, CBS, and NBC.