Ancient Manipur, also known as Antique Kangleipak, was a civilization flourished in the central plains of the present day Manipur, India. The Kangla served as the foremost capital city of the realm since time immemorial till the late 19th century AD. It had its earliest recorded evidence of the existence of monarchy right from the reign of Emperor "Tangcha Leelaa Pakhangba" (1445 BC-1405 BC) .