Original: From May 25, 1964, to February 25, 1986, Presidents FranÃ ois and Jean-Claude Duvalier returned to Dessalines's black and red design.
Simplified: From May 25 1964 to February 25 1986, during the dictatorship of Francois and Jean-Claude Duvalier, the country had a different flag, in red and black, and divided vertically, not horizontally.