Rama I

As a general under King Taksin, Rama I (then Phraya Chakri) led a campaign that captured the Lao kingdom of Vientiane. He brought the Emerald Buddha statue from Vientiane to Thonburi, where it became the palladium of the Siamese kingdom.

Rama I initiated a comprehensive restoration of Siamese culture, including the compilation of a new legal code (the Three Seals Law), the revival of Buddhist scholarship, and the patronage of literature and the arts. He also commissioned a new version of the Ramakien epic.

Rama I, formerly General Phraya Chakri, founded the Chakri dynasty after executing King Taksin of Thonburi. He was crowned as King Rama I, establishing a new royal line that continues to rule Thailand to the present day.

Rama I moved the capital from Thonburi to the opposite bank of the Chao Phraya River, founding the city of Bangkok (Krung Thep). He began construction of the Grand Palace and Wat Phra Kaew (Temple of the Emerald Buddha), establishing the new capital's religious and political center.

Rama I successfully repelled a massive Burmese invasion led by King Bodawpaya. The Siamese forces, commanded by Rama I and his brother Prince Surasi, defeated the Burmese armies in a series of battles, securing the independence of the new Rattanakosin kingdom.