Dhaka Constituent Assembly of Bangladesh in 1972. The post-independence period witnessed rapid growth as Dhaka attracted migrant workers from across rural Bangladesh. 60% of population growth has been due to rural migration. The city endured socialist unrest in the early 1970s, followed by a few years of martial law. The stock exchange and free market were restored in the late 1970s. In the 1980s, Dhaka saw the inauguration of the National Parliament House (which won the Aga Khan Award for Architecture), a new international airport and the Bangladesh National Museum. Bangladesh pioneered the formation of the South Asian Association for Regional
Dhaka of the United Nations, the World Bank, the Asian Development Bank and the Islamic Development Bank. Dhaka municipality was founded on 1 August 1864 and upgraded to "Metropolitan" status in 1978. In 1983, the Dhaka City Corporation(DCC) was created as a self-governing entity to govern Dhaka. Under a new act in 1993, election was held in 1994 for the first elected Mayor of Dhaka. The DCC ran the affairs of the city until November, 2011. In 2011, Dhaka City Corporation was split into two separate corporations – Dhaka North City Corporation and Dhaka South City Corporation for ensuring better civic