Former northern areas granted autonomy under the name of 'Gilgit-Baltistan' on_?

Former northern areas granted autonomy under the name of 'Gilgit-Baltistan' on_?

سابقہ ​​شمالی علاقہ جات کو کب گلگت بلتستان کے نام سے خود مختاری دی گئی؟
Explanation

Gilgit is a city of: Gilgit-Baltistan Pakistan

Gilgit Baltistan is located on the North side of Pakistan

Gilgit-Baltistan, formerly known as the Northern Areas, is a region administered by Pakistan as an administrative territory.

Granted autonomy under the name of 'Gilgit-Baltistan' on 29 August 2009

Gilgit-Baltistan was Established on 1 November 1948

Capital of Gilgit-Baltistan is Gilgit

Largest city of Gilgit-Baltistan is Skardu