Chronology of the ancient Near East cuneiform tablets were found at Amarna in Egypt, the city of the pharaoh Akhenaten. They were written mostly in Akkadian, the diplomatic language of the time. Several named rulers in the region including the kings of Assyria and Babylon. Assuming that the correct kings have been identified, it locks the chronology of the ancient Near East to that of Egypt, at least from the middle of the 2nd millennium. Some data sources are available to us from the classical period: Berossus was a Babylonian astronomer living during the Hellenistic period. He wrote a history of Babylon which has not survived
Irrigation works in ancient Sri Lanka to 367 BC. It is said that he had three tanks built, namely "Abhaya weva", "Gamini weva", and "Jaya weva", yet, presently, only one tank named "Basawakkulama weva" can be identified. After King Pandukabhaya, King Parakramabahu I had many tanks built, with one large tank called "Parakrama samudraya" still providing water for agriculture. It can be said that many rulers of Sri Lanka contributed to the development and construction of tanks all over the "Raja Rata" (Northern part of the country). Irrigation works in ancient Sri Lanka The irrigation works in ancient Sri Lanka, the earliest dating from about 300