 Yangon was founded as "Dagon" in the early 11th century () by the Mon people, who dominated Lower Burma at that time.A Mon princess named Maha Devi ruled Dagon as "Governor of Dagon" from 1364 to 1392.Her grandniece, Shin Sawbu (also known as Binnya Thau) ascended the throne of Hanthawaddy Kingdom in 1545 and would become the only female ruler in the recorded history of Myanmar.