Ancient India was divided into 16 large kingdoms. Each of such kingdom was known as Mahajanpad. Ang was one of them. Aangi, which is now known as Angika, was the language of Ang. The existence of Ang is found since Vedic period or before.Since 500B.C.-400B.C. People from Ang used to visit South East Asian countries like Combodia, Vietnam, Malayasia, Pahoang, Kantoli etc in connection with trades.During this course of visits they had established there colonial kingdoms and ruled over these Kingdoms for nearly 1000 years. People from Ang had constructed magnificent temples like Angkor wat , which is still considered as one of the wonders made by Human beings .They also had written numbers of books and Shilalekhs in Sanskrit and Angika Language.
“Mahajanapadas (c. 500 BCE)” by Avantiputra7 – Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons – http://commons.wikimedia.org/wiki/File:Mahajanapadas_(c._500_BCE).png#mediaviewer/File:Mahajanapadas_(c._500_BCE).png