When Pakistan shifted capital from Karachi to Islamabad?

When Pakistan shifted capital from Karachi to Islamabad?

پاکستان کا دارالحکومت کراچی سے اسلام آباد کب منتقل ہوا؟
Explanation

Islamabad officially became the capital of Pakistan on 14 August 1967.

Ayoub Khan made Islamabad the capital of Pakistan

The area of Islamabad before its declaration as the capital of Pakistan was known as Raj Shahi.

Islamabad is the country's ninth-most populous city, with a population of over 1.2 million people

Constructed 1960

Postcode 44000

ND23-4-2023

AGM 09-2-2023