Jalaluddin Muhammad Shah (Bengali: āĻāĻžāĻ˛āĻžāĻ˛āĻāĻĻā§āĻĻā§āĻ¨ āĻŽā§āĻšāĻŽā§āĻŽāĻĻ āĻļāĻžāĻš; born as Jadu/āĻ¯āĻĻā§) was a 15th-century Sultan of Bengal and an important figure in medieval Bengali history. Born a Hindu to his aristocratic father Raja Ganesha, the patriarch of the Ganesha dynasty, he assumed the throne of Bengal after a coup which overthrew the Ilyas Shahi dynasty. He converted to Islam and ruled the Bengal Sultanate for 16 years. As a Muslim king, he pursued relations with the Timurid Empire, Mamluk Egypt and Ming China. He also brought Arakan under Bengali suzerainty and consolidated the kingdom's domestic administrative centres. Bengal grew in wealth and population during his reign. He also combined Bengali and Islamic architecture.
