1351年3月4日，King Uthong（又稱拉瑪鐵菩提一世）建立了 Ayutthaya Kingdom，即大城王國。

大城位於湄南河流域，地理位置優越，既利於防禦，也有利於對外貿易。憑藉這一優勢，大城迅速成為連接中國、印度及後來歐洲商人的重要商業中心。

在烏通王的統治下，大城王國逐步崛起為東南亞強國。隨後數百年間，王國建立起完善的政治制度與文化體系，並與周邊國家及外來勢力保持外交與貿易往來。

鼎盛時期的大城，是世界上最繁華的城市之一，以宏偉寺廟與國際商貿聞名。

雖然王國於1767年被緬甸軍隊攻陷，但其歷史與文化遺產，至今仍是泰國民族身份的重要根基。

---

English Article Version

On March 4, 1351, King Uthong, also known as Ramathibodi I, established the Ayutthaya Kingdom in what is now Thailand.

Founded along the Chao Phraya River basin, Ayutthaya was strategically positioned for trade and defense. Its location allowed it to become a major commercial hub connecting China, India, and later European merchants.

Under King Uthong’s leadership, Ayutthaya quickly grew into a powerful and influential kingdom in Southeast Asia. Over the next four centuries, it developed a sophisticated political system, vibrant culture, and strong diplomatic relations.

At its height, Ayutthaya was one of the largest and wealthiest cities in the world, known for its grand temples and international trade networks.

The kingdom lasted until 1767, when it fell to Burmese forces — but its legacy remains central to Thai history and identity.