Bayinnaung Kyawhtin Nawrahta (Burmese: ဘုရင့်နောင် ကျော်ထင်နော်ရထာ, ; 16 January 1516 – 9 November 1581) was the third king of the Toungoo dynasty of Burma (Myanmar). He was king for 30 years. This time has been called the "greatest explosion of human energy ever seen in Burma". As king, Bayinnaung created the largest empire in the history of Southeast Asia. This empire included much of Burma, Manipur, Chinese Shan States (southern Yunnan), Lan Na (northern Thailand), Siam (central and southern Thailand) and Lan Xang (Laos and northeastern Thailand).