The Cuban revolution led by Fidel Castro brings an end to Havana’s International League team. The Sugar Kings relocate in Jersey City, marking that city’s return to the IL after a 10-year absence. Poor attendance at Roosevelt Stadium will prompt the parent Reds to cease the minor league operation there following the season however.

On July 8, 1960 — The Cuban revolution led by Fidel Castro brings an end to Havana’s International League team. The Sugar Kings relocate in Jersey City, marking that city’s return to the IL after a 10-year absence. Poor attendance at Roosevelt Stadium will prompt the parent Reds to cease the minor league operation there following the season however.

Source:
Baseball Reference July 8