Assertion: grassroots activist | /r/CapableOf | mobilize major marches
Facets:
value: from 1961
type: TEMPORAL
Source sentences:
text: From 1961 to 1963, beginning with the Albany protests of December 1961, grassroots activists and full-time civil rights organizers were able to mobilize major marches, rallies, and direct action protests in many southern communities and a few northern cities.