The Panglong Agreement ( ) was reached in Panglong, Southern Shan State, between the Burmese government under Aung San and the Shan Committee, Kachin Committee, and Chin Committee peoples on 12 February 1947. The anniversary of this agreement, which promised autonomy to ethnic minorities, is celebrated annually as Union Day.
In 1973, Sai Kham Leik composed the Shan language song, "Lik Hom Mai Panglong" (), for Sai Hsai Mao, which remains a pop classic.
Text referencing the Panglong Agreement