So how long can Belgium hold on to the Belgian Congo, given the unrest from the late 1950s (there had been an earlier bout of unrest in the 1920s which they successfully suppressed, I might add)? If I'm not mistaken, they formulated a thirty year plan for Congolese independence that would give Congo independence in the mid or late 1980s, but that seems unrealistic. How long can Belgium hold onto Congo realistically if they tell the US government that was pressuring them to shove it?
EDIT: to clarify, the PoD is post-1945.