27 july & march re cuban revolution

#OTD 27 July 1968 Protesters hold march in Dupont Circle to mark the 15th anniversary of the 26th of July movement in Cuba.

Signs stated:
"Viva Che"
"Support the Cuban Revolution"
"Free Travel to Cuba"
"Lift the Embargo on Cuban Trade"
"Viva La Revolucion"

Please comment below. Do you recognize anyone in the photograph? Did you, a family member or a neighbor participate in the march? What were the conversations about the Cuban Revolution in 1968? Did you learn about Cuba in school? You may comment privately here.

Photo source: Courtesy DC Public Library Special Collections, Evening Star Photo Collection, 27 July 1968. Ken Heinen, photographer.