Sultan Suleyman I (1494-1566), also known as 'Suleyman the Magnificent' and 'Suleyman the Lawmaker', was the 10th and longest reigning sultan of the Ottoman empire. He personally led his armies to conquer Transylvania, the Caspian, much of the Middle East and the Maghreb. Suleyman intoduced sweeping reforms in Turkish legislation, education, taxation and criminal law, and was highly respected as a poet and a goldsmith. Suleyman also oversaw a golden age in the development of arts, literature and architecture in the Ottoman empire.