Burma's Pagan empire begins to disintegrate after being defeated by Kublai Khan at Ngasaungsyan[?], near the Chinese border. The Khan ordered the invasion after the Burmese refused to pay tribute.
... U.S. Office of the Federal Register (http://www.archives.gov/federal_register/electoral_college/scores.html#1804)
(Larger version)
See also: President of the ...