The Confederation raided Upper Burma throughout the early 16th century ( 1502 -- 1527 ) .
The Confederation fought a series of war against Ava and its ally Shan State of Thibaw ( Hsipaw ) .
The Confederation raided Upper Burma throughout the early 16th century ( 1502 -- 1527 ) and fought a series of war against Ava and its ally Shan State of Thibaw ( Hsipaw ) .