Assertion: convention | /r/HasProperty | created in various parts of the world
Facets:
value: within the period between 1935
type: TEMPORAL
Source sentences:
text: However, while a few conventions were created in various parts of the world within the period between 1935-1960, the number of convention establishments increased slightly in the 1960s and then increased dramatically in the 1970s, with many of the largest conventions in the modern era being established during the latter decade.