The term 'Burma Leader' can be broken down into four crossword solutions: Thant (5 letters), Siam (4 letters), Rangoon (7 letters), and SIGNS (5 letters). U Thant was a Burmese diplomat and the third Secretary-General of the United Nations from 1961 to 1971. He was born in Pantanaw, British Burma, and was educated at the University of Calcutta and the University of London. Siam was the former name of Thailand, which is located to the east of Burma. Rangoon is the former name of Yangon, the largest city and former capital of Burma. Lastly, SIGNS refers to the Burmese language, which is the official language of Burma.