Thai Airstrikes Break October Ceasefire With Cambodia Over Preah Vihear Border

Border skirmishes between Thailand and Cambodia flare every decade—most recently in 2011 when fighting around Preah Vihear left 28 dead and forced 85,000 villagers to flee—but the roots trace back to France’s 1907 map and the ICJ’s 1962 award of the temple to Cambodia. The 2025 airstrikes show how that century-old cartographic hangover still overrides modern ASEAN norms of non-violence and shared prosperity. Long-term, the incident tests two structural trends: (1) ASEAN’s capacity to police intra-bloc disputes without outside patrons, and (2) Washington’s attempt to convert trade leverage (tariff talks, Nobel-bait mediation) into regional security influence amid China’s quiet courtship of both militaries. If the ceasefire architecture collapses, the 35-km theatre could again spiral into a proxy-laden confrontation reminiscent of the 1979-89 Thai-Cambodian guerrilla wars, hampering regional supply chains and undermining the ‘ASEAN single market’ vision that should mature by 2065. Conversely, if negotiators resurrect the truce, this moment may be remembered less as a turning point than as yet another cyclical spike in a dispute that, without a final demarcation treaty, remains lodged like a landmine in Southeast Asia’s geopolitical terrain.