A referendum on the Islamisation policy of President Muhammad Zia Ul Haq was held in Pakistan on?

A referendum on the Islamisation policy of President Muhammad Zia Ul Haq was held in Pakistan on?

پاکستان میں صدر محمد ضیاء الحق کی اسلامائزیشن پالیسی پر ریفرنڈم کس دن منعقد ہوا؟
Explanation

A referendum on the Islamisation policy of President Muhammad Zia-ul-Haq was held in Pakistan on 19 December 1984.

Muhammad Zia-ul-Haq took oath as President of Pakistan on 23 March 1985.

Muhammad Zia-ul-Haq becomes 6th President of Pakistan.

He declaration of martial law in 1977.

He remains the country's longest-serving de facto head of state and Chief of Army Staff

Ghulam Ishaq Khan succeeded Zia Ul Haque as President of Pakistan.

Died on 17-08-1988 by Plane crashed 

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nd9-2-2023