1) Decolonization
started after the Second World War.
2) It came to an
end at the turn of the twentieth (20th)
century.
3)
Asian and African countries which
were ruled by England, France, Holland and Portugal became free in the
twentieth century.
4) The period
covering the later half of the 20th
century is known as the 'Period of Decolonization' as colonialism came to
an end during this period.