Rama I
Phra Phutthayotfa Chulalok Maharaj (Thai: พระพุทธยอดฟ้าจุฬาโลกมหาราช, 20 March 1737 – 7 September 1809), personal name Thongduang (ทองด้วง), also known as Rama I, was the founder of the Rattanakosin Kingdom and the first monarch of the reigning Chakri dynasty of Siam (now Thailand). His full title in Thai is Phra Bat Somdet Phra Paramoruracha Mahachakkriborommanat Phra Phutthayotfa Chulalok (พระบาทสมเด็จพระปรโมรุราชามหาจักรีบรมนารถ พระพุทธยอดฟ้าจุฬาโลก). He ascended the throne in 1782, following the deposition of King Taksin of Thonburi. He was also celebrated as the founder of Rattanakosin (now Bangkok) as the new capital of the reunited kingdom.