May 20 (UPI) -- U.S. Secretary of State Marco Rubio , the son of Cuban immigrants, marked the 123rd anniversary of Cuban Independence Day on Tuesday. "On Cuba's Independence Day, I want to express my unwavering support and solidarity for the Cuban people," Rubio said in a prepared statement . "I commend all those who have stood up against over six decades of brutal repression, censorship and human rights violations at the hands of the illegitimate Cuban regime," Rubio said. "Their tireless