1959 was when Yew became Sg's first PM. in his famous televised speech, yew announced the separation from malayasian federation in 1965.
dont forget that singapore was under colonial rule before that. noone can deny the success of singapore, the city state with all the regional challenges. it took them about two decades.
i would give 5-10 years for our nation states to become functionally successful if they split and became city states.
its time for a change.