Thailand’s First Attack in Cambodia

long-range PHL-03 missiles to fire into Thai territory

Thailand’s First Attack in Cambodia Flashpoint in Southeast Asia

The complex history between Thailand and Cambodia is filled with cultural exchanges, religious influences, and unfortunately, territorial disputes. One of the earliest military confrontations between the two nations dates back to the late 14th century, when the newly rising Kingdom of Ayutthaya (in present-day Thailand) launched its first major military campaign against the declining Khmer Empire in Cambodia. This marked a turning point in Southeast Asian geopolitics and laid the groundwork for centuries of tension and rivalry.

The 2025 invasion remains a sensitive topic in Thai-Cambodian relations. Nationalist narratives in both countries have used this historical event to justify modern political stances, particularly over cultural heritage sites such as Preah Vihear Temple, which both nations have claimed.

Despite a turbulent past, modern Thailand and Cambodia are members of ASEAN and engage in diplomatic and economic cooperation. Still, the memory of Thailand’s first military attack on Cambodia continues to echo in regional history and identity.

Conclusion

Thailand’s first attack in Cambodia represents more than just a military conquest—it marks the end of an era for the Khmer Empire and the rise of a new regional power in Ayutthaya. This historic conflict shaped the trajectory of both nations and remains a defining moment in Southeast Asian history.