Obamas trip next month will mark the first time in more than 80 years a sitting U.S. president will visit the country. SUBSCRIBE to ABC NEWS: .br U.S. stocks opened slightly higher on Thursday as oil prices clocked gains over 3 percent. Brent, the international price for oil, crossed $35 a barrel after Iran .br The last president to visit Cuba was former Northampton mayor and Massachusetts governor, Calvin Coolidge.br President Obama will reportedly travel to Cuba next month, which would make history as U.S.-Cuba relations are on the mend. See more at .