Former Cuban leader Fidel Castro dies at age 90

Former Cuban President Fidel Castro has died at age 90, his brother, President Raul Castro, announced late Friday on state television.

"There are few individuals in the 20th century who had a more profound impact on a single country than Fidel Castro had in Cuba," Robert Pastor, a former national security adviser for President Jimmy Carter in the 1970s, told CNN in 2012.

"He reshaped Cuba in his image, for both bad and good," said Pastor, who died in 2014. "Cuba will be a different place because he lived and he died."

Castro lived long enough to see a historic thaw in relations between Cuba and the United States. President Barack Obama announced in December that the United States would re-establish diplomatic relations with Cuba and urged Congress to lift a 52-year-old economic embargo.

Cuban President Raul Castro -- who took over from his ailing brother more than eight years earlier -- announced the breakthrough to the nation, but observers noted Fidel's silence on the matter.

Castro's stage was a small island nation 90 miles from the underbelly of the United States, but he commanded worldwide attention.

"He was a historic figure way out of proportion to the national base in which he operated," said noted Cuba scholar Louis A. Perez Jr., author of more than 10 books on the island and its history.

"Cuba hadn't counted for much in the scale of politics and history until Castro," said Wayne Smith, the top U.S. diplomat in Cuba from 1979 to 1982.

Castro became famous enough that he could be identified by only one name. A mention of "Fidel" left little doubt who was being talked about.