Tachileik was a border crossing used in the opium trade from the Golden Triangle,[1] and was the home of the drug lord Khun Sa.[1]
On 24 March 2011 a magnitude 6.8 earthquake struck the region very close to Tachileik. It caused some damage as far away as Chiang Mai.
On 24 March 2012, a bomb wounded 2 people at the Regina Hotel golf course in Tachileik, followed by a second bomb an hour that exploded later.