Dark Ages of Cambodia

The 15th to the 19th centuries were a period of continued decline and territorial loss. Cambodia enjoyed a brief period of prosperity during the 16th century because its kings, who built their capitals in the region southeast of the Tonle Sap along the Mekong River, promoted trade with other parts of Asia. This was the period when Spanish and Portuguese adventurers and missionaries first visited the country. However, the Thai conquest of the new capital at Lovek in 1594 marked a downturn in the country's fortunes and Cambodia. Becoming a pawn in power struggles between its two increasingly powerful neighbors, Siam and Vietnam. Cambodia remained a protectorate of Siam. Vietnam's settlement of the Mekong Delta led to its annexation of that area at the end of the 17th century. Vietnam employed a strategy similar to those of North American pilgrims and pioneers: settle and claim. Such foreign encroachments continued through the first half of the 19th century. A successful invasion by Vietnam further limited Thai protectorship in Cambodia and established the kingdom under full Vietnamese suzerainty.