Pakistan National (resolution) Day

Pakistan Day (Urdu: یوم پاکستان‎, lit. Yaum-e-Pakistan) or Pakistan Resolution Day, also Republic Day, is a national holiday in Pakistan commemorating the Lahore Resolution passed on 23 March 1940 and the adoption of the first constitution of Pakistan during the transition of the Dominion of Pakistan to the Islamic Republic of Pakistan on 23 March 1956 making Pakistan the world’s first Islamic republic.