Which country observes Kashmir Day on February 5th every year?

Which country observes Kashmir Day on February 5th every year?

کس ملک میں ہر سال 5 فروری کو یوم کشمیر منایا جاتا ہے؟
Explanation

Kashmir Solidarity Day or Kashmir Day is a national holiday observed in Pakistan 

DateFebruary 5

Kashmir Day Event Length1 Day

Kashmir Day Related to the Kashmir Conflict

Kashmir Day was Started by: Jamaat-e-Islami Pakistan in 1990

Kashmir Day was first proposed by Qazi Hussain Ahmad 

In 1991, the then-Prime Minister of Pakistan Nawaz Sharif called for a "Kashmir Solidarity Day Strike"