Kashmir Day was first Observed in which year?

Kashmir Day was first Observed in which year?

یوم کشمیر پہلی بار کس سال منایا گیا؟
Explanation

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

Kashmir Day was first proposed by Qazi Hussain Ahmad 

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