Why was Fidel Castro famous?

Because he is now the president of Cuba.

umm the person above me is wrong there is no president in Cuba. Cuba is a dominican (i spelled it wrong) republic i learned it last year it's 5th grade stuff! so yeah umm they don't have a president they have a person like a president, it's called a.... well i really did forget look it up on here :) sorry i forgot it was last year!!