Cuba organized its key annual commemoration July 26 event in Santiago de Cuba.
This signifies 73 years following the 1953 Moncada Barracks attack.
Raúl Castro was away.
President Miguel Díaz-Canel talked about the U.S. government during the ceremony.
He claimed Washington tried to destroy Cuba and take its land.
Residents in Havana readied for the ceremonies.
They did this despite this with serious water problems, caused by chronic power shortages.