astro4dev.org/2018/11/26/7-ancient-cultures-and-how-they-shaped-astronomy-guest-blog/
It appears (may be derived) from ancient texts ,scriptures on the walls of religious places and poems written about civilizations that Dravidians and Aryans contributed mainly for Asian civilizations.
The Anasnazi Indians were the first to create an irrigation system.
Circumstances that helped the civilizations and diverse cultures of the Americas to develop in ways both common and unique are the early civilizations of the Americas created such vast empires with an advanced form of thinking and living. These civilizations lacked some of the essential tools that the Asian civilizations depended on to form there amazing empires.
East Asian civilization maintained their independence from the rest of the world which became Orthodox.
The Fertile Crescent
Asian Affairs was created in 1914.
Asian arowana was created in 1844.
Asian Age was created in 1994.
Asian Aid was created in 1966.
Asian University was created in 1993.
The Accidental Asian was created in 1998.
The Asian Awards was created in 2010.