On 28 March 1948, the then Khan of Kalat acceded the kalat state to Pakistan in peaceful manner and went on to form the Baluchistan States Union on 3 October 1952 with three neighbouring states.
On 28 March 1948, the then Khan of Kalat acceded to Pakistan after some initial hesitation. The Baluchistan States Union was formed on 3 October 1952 with three neighbouring states.