Discover and read the best of Twitter Threads about #irrawaddy
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1. This History Thread is about the mighty rivers that have defined Myanmar (Burma.) North-south river valley geology shaped regional history. #Rivers, their tributaries & watersheds continue to have enormous political, agricultural & environmental importance. #dams #biodiversity 
2. From 12th C. BCE populations migrated along #Irrawaddy (Ayeyarwady), #Chindwin, #Salween river valleys to settle in lands that are now known as Myanmar (Burma.) Powerful dynasties rose and fell along the Irrawaddy, including Pyu, Pagan, Ava.
3. British made river port Rangoon (Yangon) colonial capital in 1853. Burma became “rice bowl of Asia” under their exploitation especially in fertile Irrawaddy Delta. River inundation/irrigation can augment monsoon rain for wet rice cultivation. Padi harvest transported by river.
