Borommaracha I (,
RTGS: Boromma Rachathirat I) or
Khun Luang Pa Ngua () (1370- 1388 A.D.) is the third king of
Ayutthaya Kingdom. His name
Khun Luang Pa Ngua literary means the fifth price.
As the lord of
Suphanburi, a powerful rival of Ayutthaya, he forced King
Ramesuan from power and took the throne of
Ayutthaya. Known as great warrior, his reign marked the expansion of Ayutthaya to the north, subjugating major northern powers such as
Sukhothai and
Phitsanuloke.
As the king he was famous in warfare. As war was one of the most important duty. He began the successful northward expansion to subjugate old rivals, Sukhothai and Phitsanuloke.
After his death in 1388, his son, Thonglun reigned for only a week. Ramesuan Prince who previously retreated to Lopburi, returned and toppled him. Ramesuan eventually assumed the throne, as the king for the second time.
Category:History of ThailandCategory:Thai monarchsCategory:Rulers of AyutthayaCategory:1388 deathsde:Boromaracha I.ja:パグワsv:Borommaracha Ith:สมเด็จพระบรมราชาธิราชที่ 1