Yaƙin Burma –Siamese (1785 – 1786), wanda aka fi sani da Yaƙin Sojojin Nine a tarihin Siamese saboda Burma sun zo cikin runduna tara, shine yaƙin farko ^[58] tsakanin daular Konbaung na Burma da Masarautar Siamese Rattanakosin na Chakri. daular.Sarki Bodawpaya na Burma ya yi wani gagarumin kamfen na fadada mulkinsa zuwa Siam.A cikin 1785, shekaru uku bayan kafuwar Bangkok a matsayin sabon kujerar sarauta da daular Chakri, Sarki Bodawpaya na Burma ya yi jerin gwano mai yawan gaske tare da adadin 144,000 don mamaye Siam a cikin runduna tara ta hanyoyi biyar ^[58] ciki har da Kanchanaburi, Ratchaburi,Lanna. , Tak, Thalang (Phuket), da kuma kudancin Malay Peninsula.Duk da haka, dakaru da suka yi yawa da kuma karancin wadata da ake ganin yakin Burma ya gaza.Siamese karkashin Sarki Rama I da kaninsa Yarima Maha Sura Singhanat sun yi nasarar kawar da mamayar Burma.A farkon 1786, Burma ya koma baya sosai.Bayan sulhun da aka yi a lokacin damina, Sarki Bodawpaya ya ci gaba da yakin neman zabensa a karshen shekara ta 1786. Sarki Bodawpaya ya aika da dansa Yarima Thado Minsaw domin ya tattara sojojinsa kan Kanchanaburi a hanya daya tilo don yakar Siam.Siamese sun hadu da Burma a Tha Dindaeng, saboda haka kalmar "kamfen na Tha Din Daeng".An sake fatattakar Burma kuma Siam ya yi nasarar kare iyakarta ta yamma.Waɗannan hare-hare guda biyu da suka gaza ƙarshe sun zama babban mamayewa na ƙarshe na Siam daga Burma.