Siamese–Cambodian War (1591–1594)
The Siamese–Cambodian War (1591–1594)(Khmer: សង្គ្រាមសៀម-កម្ពុជា (១៥៩១-១៥៩៤),Thai: สงครามสยาม-กัมพูชา พ.ศ. 2134), also known as The Siamese Invasion of Longvek, was a military conflict fought between the Ayutthaya Kingdom and the Kingdom of Cambodia.
Source: Wikipedia — Siamese–Cambodian War (1591–1594) (CC BY-SA 4.0)