Explanation

In 1901, the British carved out the northwest portions of Punjab Province to create the Northwest Frontier Province (NWFP)

Lord Curzon separated the area beyond the river Indus of Punjab and formed a new province named North-West Frontier 

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NWFP was renamed "Khyber Pakhtunkhwa" on  19 April 2010 after 18th amendment of the constitution of Pakistan with 90 votes.

NA21-8-2023