Then over the late '40s, '50s, '60s, '70s and '80s, waves of decolonization took place.
Au cours des années 40, 50, 60, 70 et 80, des vagues de décolonisations eurent lieu.
Then over the late '40s, '50s, '60s, '70s and '80s, waves of decolonization took place.
Au cours des années 40, 50, 60, 70 et 80, des vagues de décolonisations eurent lieu.