Union Day is observed in Myanmar every February 12, commemorating the Panglong Agreement signed in 1947. This agreement was established between the Burmese government, led by Aung San, and the Chin, Shan, and Kachin peoples in Panglong, Southern Shan State, granting these ethnic groups full autonomy in internal administration. Although the agreement was pivotal, Myanmar did not gain independence until January 7, 1948, following the assassination of Aung San and six cabinet members in July 1947. The holiday reflects the ongoing complexities of Myanmar's national unity, as numerous civil wars erupted in 1948 when some ethnic groups rejected the central government, believing they were promised independence as separate states by the British. February 12 serves as a reminder of the conditional ceasefire achieved through the agreement with various states, marking a significant moment in the country's history.