First Balochistan conflict
The First Balochistan conflict was a rebellion instigated by Prince Agha Abdul Karim and Prince Muhammad Rahim of Kalat in response to the accession of Kalat and with the aim of establishing Kalat as a sovereign state, independent of Pakistan. With the arrest of the princes and the loss of many men, the rebellion came to an end in 1950 as Pakistan recaptured all territories.
Source: Wikipedia — First Balochistan conflict (CC BY-SA 4.0)