A History of Cambodia

• Introduction
• Chapter 1 The Dawn of the Khmer People: Prehistory to the Funan Kingdom
• Chapter 2 The Rise of Chenla: A New Power in the Mekong
• Chapter 3 The Birth of the Khmer Empire: Jayavarman II and the Devaraja Cult.
• Chapter 4 The Golden Age of Angkor: Suryavarman II and the Building of Angkor Wat.
• Chapter 5 The Era of Jayavarman VII: The Buddhist King and the Expansion of the Empire
• Chapter 6 Decline of a Great Empire: The Post-Angkor Period
• Chapter 7 Cambodia in the Shadows: The Middle Period.
• Chapter 8 Arrival of the West: The French Protectorate.
• Chapter 9 Stirrings of Nationalism: Cambodia Under French Rule
• Chapter 10 The Royal Crusade for Independence: King Norodom Sihanouk's Campaign.
• Chapter 11 The Sangkum Reastr Niyum: Sihanouk's Cambodia (1953-1970).
• Chapter 12 The Widening War: Cambodia and the Vietnam Conflict.
• Chapter 13 The Khmer Republic: Lon Nol and the Cambodian Civil War (1970-1975).
• Chapter 14 The Rise of the Khmer Rouge: From Insurgency to Power.
• Chapter 15 Year Zero: The Fall of Phnom Penh and the Establishment of Democratic Kampuchea.
• Chapter 16 The Killing Fields: Life and Death Under the Khmer Rouge.
• Chapter 17 The Vietnamese Intervention: The Fall of Democratic Kampuchea.
• Chapter 18 The People's Republic of Kampuchea: A Decade of Vietnamese Occupation.
• Chapter 19 The Long Road to Peace: The Paris Peace Accords
• Chapter 20 The UNTAC Mission: A New Beginning for Cambodia
• Chapter 21 The Restoration of the Monarchy and the Second Kingdom of Cambodia
• Chapter 22 Cambodia in the 21st Century: Political and Social Developments
• Chapter 23 The Legacy of the Khmer Rouge: Justice and Reconciliation
• Chapter 24 Economic and Cultural Revival in Modern Cambodia
• Chapter 25 Cambodia's Future: Challenges and Opportunities

To speak of Cambodia is to speak of a history of profound and often staggering contradictions. It is a story of a civilization that reached sublime heights of artistic and architectural genius, creating one of the wonders of the world, and a nation that later descended into one of the twentieth century's most horrific episodes of self-inflicted brutality. The tranquil, smiling stone faces of the Bayon temple and the haunting images from the Tuol Sleng prison stare at each other across the centuries, posing a question that lies at the heart of this book: How can these two realities coexist in the history of a single people? This work is an attempt to trace the long, complex, and often turbulent path that connects them.

The historical importance of Cambodia to mainland Southeast Asia is far greater than its current size and political influence might suggest. For over two millennia, its civilization has been a crucible, absorbing influences from major powers like India and China and, in turn, shaping the cultural, religious, and political landscapes of its neighbors. At its zenith, between the 11th and 13th centuries, the Khmer Empire was a dominant force, its dominion stretching over large swathes of present-day Thailand, Laos, and Vietnam. The legacy of this era, particularly its Hindu-Buddhist traditions and concepts of statecraft, left an indelible mark on the entire region.

Our journey begins not with kings and empires, but with the early inhabitants of this land of plains and great rivers. Archaeological evidence suggests that pottery-making communities thrived here as early as 4000 BCE. However, the first detailed records of a complex political entity emerge from Chinese annals, which speak of a kingdom they called "Funan." Flourishing from roughly the first to the sixth century CE in the fertile Mekong Delta, Funan was a prosperous maritime trading power. It served as a vital node in the trade routes connecting the Indian Ocean and the South China Sea, a place where spices and silks were exchanged for gold and ivory. More than just a commercial hub, Funan became the first great Indianized state in the region, adopting Hindu and Buddhist beliefs, Sanskrit as a sacred language, and Indian models of law and administration.

As Funan's power waned in the sixth century, a new force, known to the Chinese as "Chenla," rose to prominence. Initially a vassal state, Chenla eventually absorbed its predecessor, shifting the center of Khmer power inland, away from the coast and towards the Mekong River and the great Tonlé Sap lake. This move inland was pivotal, likely driven by the development of wet-rice agriculture, which would become the foundation of the future empire's wealth and power. The Chenla period was not one of singular unity; it was often divided into rival principalities, "Land Chenla" and "Water Chenla," engaged in a struggle for dominance. Yet, it was during this era that the cultural and political groundwork for a unified Khmer state was laid, setting the stage for one of history's most remarkable imperial creations.

The dawn of the ninth century marks the beginning of the Angkorian period, the golden age of Khmer civilization. In 802 CE, a Khmer prince named Jayavarman II declared himself a "universal monarch" and "god-king" (devaraja), unifying the competing principalities and establishing the Khmer Empire. This act, consecrated in a sacred ritual on Mount Kulen, was more than a political maneuver; it was the birth of a divine mandate to rule that would define Khmer kingship for centuries. From their new capital region of Angkor, a succession of powerful monarchs would oversee an empire of extraordinary creativity and ambition. They commanded vast armies, managed intricate systems of water reservoirs and canals (known as barays), and channeled the kingdom's immense resources into the construction of some of the most magnificent religious monuments ever conceived.

No single structure better symbolizes the grandeur of this era than Angkor Wat. Built in the early 12th century by King Suryavarman II as a state temple and his eventual mausoleum, it is the largest religious monument in the world. A stunning representation of the Hindu cosmos, its five central towers evoke the sacred peaks of Mount Meru, the abode of the gods, all surrounded by a vast moat symbolizing the primordial ocean. The temple's walls are covered in breathtaking bas-reliefs depicting epic tales from Hindu mythology and scenes of courtly life. Yet Angkor Wat is just one of hundreds of temples in the vast Angkor complex, which includes the walled city of Angkor Thom and the enigmatic Bayon temple. Today, Angkor Wat is not merely an archaeological marvel; it is the heart of Cambodian national identity, a powerful symbol of past glory that adorns the nation's flag.

The decline of this great empire was a gradual process, not a singular cataclysmic event. By the 14th and 15th centuries, a combination of factors, including the rise of powerful neighboring kingdoms like Siam (Thailand), ecological pressures on the complex water management system, and a societal shift towards Theravada Buddhism, led to the abandonment of Angkor as the capital. The court moved south, closer to modern-day Phnom Penh, entering what historians refer to as Cambodia's "Middle Period" or "dark ages." For the next four centuries, the once-mighty kingdom found itself squeezed between its ambitious neighbors, Siam to the west and Vietnam to the east. It became a vassal state, its territory shrinking as its kings were forced to play one powerful neighbor against the other simply to survive.

The arrival of the West in the 19th century brought a new dynamic to the region. In 1863, facing existential threats from both Siam and Vietnam, King Norodom sought the protection of France. This initiated the ninety-year period of the French Protectorate. While French rule prevented the complete dissolution of Cambodia, it did so at the cost of the nation's sovereignty. The French established the capital at Phnom Penh, administered the country, and largely left the Cambodian monarchy as a symbolic institution. Though the French presence brought some modern infrastructure and education, it also insulated the majority of Cambodians from the wider world, creating a society that many French officials viewed as quaint and unchanging.

The tumultuous events of the mid-20th century shattered this colonial arrangement. The Japanese occupation during World War II, followed by the French defeat in the First Indochina War, fanned the flames of Cambodian nationalism. Under the leadership of the young and charismatic King Norodom Sihanouk, Cambodia achieved its independence in 1953. Sihanouk abdicated the throne to enter politics directly, and for nearly two decades, he skillfully navigated the treacherous currents of the Cold War, attempting to keep his nation neutral in the escalating conflict in neighboring Vietnam. This period, known as the Sangkum Reastr Niyum, is often remembered as a time of relative peace and cultural flourishing.

However, the widening war in Vietnam could not be kept at bay. As American bombing campaigns secretly targeted Vietnamese communist sanctuaries in eastern Cambodia and North Vietnam provided support to a nascent Cambodian communist insurgency, Sihanouk's balancing act became untenable. In 1970, while he was abroad, his government was overthrown in a coup led by the pro-American general Lon Nol, plunging the country into a brutal civil war. The new Khmer Republic was weak, corrupt, and isolated in the capital, while the countryside increasingly fell under the control of the communist insurgents known as the Khmer Rouge, who presented the deposed Sihanouk as their figurehead.

On April 17, 1975, just weeks before the fall of Saigon, Khmer Rouge forces entered Phnom Penh, ending the civil war. But this was not a liberation; it was the beginning of a nightmare. The black-clad soldiers of the new regime, which called itself Democratic Kampuchea, immediately began to implement one of the most radical and violent revolutions in modern history. Declaring "Year Zero," they forcibly emptied Phnom Penh and all other cities and towns, driving millions of people into the countryside to work as slave laborers in agricultural collectives. The goal was to forge a purely agrarian, classless society, free from all foreign and modern influences.

What followed was four years of unimaginable horror. The Khmer Rouge regime, under the leadership of Pol Pot, abolished money, markets, religion, and private property. Family structures were dismantled, and education ceased. Anyone considered an enemy of the revolution—intellectuals, former government officials, ethnic minorities, or simply anyone who questioned the new order—was ruthlessly "smashed." Torture centers, like the infamous S-21 prison in Phnom Penh, were established to extract forced confessions, and killing fields dotted the landscape. By the time the regime was overthrown by a Vietnamese invasion in January 1979, an estimated 1.5 to 2 million Cambodians had perished from execution, starvation, disease, and overwork.

The fall of the Khmer Rouge did not bring immediate peace. It instead marked the beginning of another decade of conflict, with a Vietnamese-backed government in Phnom Penh fighting a protracted guerrilla war against a coalition of resistance forces that included the remnants of the Khmer Rouge. The international community, caught in Cold War politics, for years refused to recognize the new government, allowing the Khmer Rouge to retain Cambodia's seat at the United Nations. It was not until the signing of the Paris Peace Accords in 1991 that a path to a comprehensive political settlement was finally laid.

The subsequent United Nations peacekeeping mission, one of the largest in the organization's history, paved the way for elections in 1993, the restoration of the monarchy with Norodom Sihanouk as king once more, and the slow, arduous process of rebuilding a shattered nation. In the decades since, Cambodia has made remarkable strides. The economy has grown, infrastructure has been rebuilt, and a new generation has come of age with no memory of the Khmer Rouge terror. Yet the past is never far away. The long-awaited trials of former Khmer Rouge leaders have forced a national reckoning with the atrocities of the 1970s, raising difficult questions about justice, memory, and reconciliation.

This history, in all its glory and tragedy, is the inheritance of the Cambodian people today. It is a story of resilience, of a culture that has endured despite repeated attempts to extinguish it. From the builders of Angkor to the survivors of the Killing Fields, the thread of Khmer identity has persisted. Understanding the journey through these vastly different eras—the rise of empires, the struggles for survival, the pursuit of independence, the descent into madness, and the ongoing quest for peace and prosperity—is the purpose of this book.

Long before the first stone was laid at Angkor, the land we now call Cambodia was already ancient. Its story begins not with kings or empires, but in the dim recesses of prehistory, a vast expanse of time understood only through the patient work of archaeologists. In the limestone hills of northwestern Cambodia, the cave of Laang Spean has served as a crucial window into this deep past. Within its chambers, primitive flaked stone tools have been unearthed from layers of earth dating back an astonishing 71,000 years. These simple implements mark some of the earliest known evidence of human activity in the region, left by hunter-gatherers who sought shelter in the cave over countless millennia.

The cave's upper layers tell a more recent, yet still ancient, story. They contain stone tools of the Hoabinhian culture, a technological tradition that flourished across Southeast Asia between about 11,000 and 5,000 years ago. Laang Spean also holds Neolithic burial sites, dating from around 1,700 BCE, where the deceased were interred with pottery and, in some cases, jewelry, suggesting the beginnings of social stratification. Discoveries at other sites, like Samrong Sen in the floodplains of the Tonlé Sap, reveal a highly developed Neolithic culture with considerable skill in crafting polished stone tools and pottery. This site is particularly significant for providing some of the earliest evidence for rice cultivation and animal domestication in Cambodia, dating to around 2200 BCE.

A distinctive feature of this era, concentrated in the red-earth regions of Kampong Cham province and across the border in Vietnam, are large circular earthworks. First identified from the air by French archaeologist Louis Malleret, these sites consist of one or two circular embankments and moats, typically enclosing a space of about 200 meters in diameter. Once thought to be purely Neolithic, further research indicates they were occupied well into the Iron Age. While their exact purpose remains a subject of debate—they may have served as fortifications, for ritual purposes, or to manage water—they represent a significant degree of communal organization and labor.

The arrival of metalworking marked another profound shift. By around 500 BCE, the inhabitants of the region were working with iron, a technology that likely spread from the Khorat Plateau in modern Thailand. At sites like Phum Snay in northern Cambodia, archaeologists have found evidence of a robust Iron Age culture, complete with weaponry and ornaments, suggesting a society that was becoming increasingly complex and, at times, violent. The development of these technologies and the growth of settled agricultural communities laid the economic and social groundwork for the emergence of Cambodia's first major civilization.

History, as opposed to prehistory, begins with written records, and for early Cambodia, these records come from outsiders. Chinese court annals, compiled from the reports of diplomats and traders, speak of a kingdom they called Funan. Flourishing from roughly the first to the sixth century CE, Funan was the first great power in the region, a sprawling and prosperous polity centered on the fertile Mekong Delta. The name "Funan" itself is likely a Chinese transcription of the ancient Khmer word "bnam," meaning "mountain," a title often associated with rulers in the region. While Chinese histories tend to portray it as a unified empire, modern scholars suggest it was more likely a "mandala," a loose network of city-states that sometimes warred and sometimes cooperated under the sway of a dominant central power.

The ethnic and linguistic identity of the Funanese people remains a topic of scholarly discussion. The leading theories are that they were primarily Mon-Khmer speakers, the ancestors of modern Cambodians, or that they were Austronesian, related to the peoples of maritime Southeast Asia and neighboring Champa. It's also quite possible that Funan was a multi-ethnic society. Though the evidence is not conclusive, many scholars believe the population was predominantly Khmer.

Whatever their exact origins, the Funanese created a vibrant and wealthy society based on two key pillars: agriculture and maritime trade. The rich alluvial soil of the Mekong Delta was ideal for wet-rice cultivation, and the Funanese developed an extensive network of canals, some stretching for over 120 miles. This impressive system of water management served multiple purposes, draining swamps for agriculture, providing transportation between settlements, and connecting inland centers to the sea. The resulting agricultural surpluses supported a growing population and freed up labor for other pursuits.

Funan’s true genius, however, lay in its mastery of the seas. At a time when the primary maritime route between India and China required a tedious, coast-hugging journey, Funan’s location offered a vital shortcut. Ships could sail from the Indian Ocean, cross the narrow Isthmus of Kra on the Malay Peninsula, and then sail through the Gulf of Thailand to Funan’s ports, avoiding a long and dangerous trip around the peninsula. Funanese kings of the 3rd century, particularly a ruler known to the Chinese as Fan Shiman, expanded their navy and extended their control over polities on the isthmus, solidifying their grip on this lucrative trade.

The heart of this commercial empire was the port city of Oc Eo, located in what is now southern Vietnam. First excavated in the 1940s by Louis Malleret, who used aerial photography to identify the sprawling network of canals, Oc Eo was a bustling, cosmopolitan hub. The archaeological finds there paint a vivid picture of its global connections. Alongside local pottery and art, excavators have unearthed Roman coins, including gold medallions of Antoninus Pius and Marcus Aurelius, as well as beads and jewelry from Persia, India, and China. Some scholars believe Oc Eo may have been the port known to the 2nd-century geographer Ptolemy as Kattigara, the farthest point of navigation for Roman and Greek traders.

Funan's strategic position as a crossroads did more than just bring wealth; it brought a wave of cultural influence that would fundamentally shape the future of Cambodia and the wider region. This process, known as Indianization, was not a conquest but a gradual adoption of ideas, beliefs, and social structures from the Indian subcontinent. It was likely facilitated by Indian merchants, diplomats, and Brahmin priests who traveled along the trade routes, bringing their culture with them.

The founding of Funan itself is explained through a myth that beautifully illustrates this blending of cultures. Chinese sources recount the legend of an Indian Brahmin named Kaundinya (or "Huntian" in the Chinese records) who sailed to the Mekong Delta. There, he was met by the local ruler, a warrior queen named Soma (or "Liuye"), who belonged to the Naga clan, a mythical serpent lineage deeply connected to the land and water. After an initial confrontation, in which Kaundinya subdued the queen with a divine bow, the two married. Their union symbolized the fusion of an outside, Indian influence with the indigenous power of the land, establishing the first royal dynasty of Funan. This legend of the "Naga princess" would become a cornerstone of Khmer royal ideology for over a millennium.

Under the influence of Indian models, Funanese society became increasingly stratified. A ruling elite adopted Hinduism and, to a lesser extent, Buddhism. The kings took on Sanskrit names, such as Rudravarman and Jayavarman, and embraced Indian concepts of statecraft and divine kingship. Sanskrit became the language of the court and religion, and the Funanese adopted an alphabet based on an Indian script. The laws of Manu, an ancient Indian legal code, were also introduced. However, this cultural borrowing was selective; the rigid Indian caste system, for instance, was never fully adopted.

Chinese emissaries who visited Funan in the mid-3rd century left detailed, if somewhat colored, descriptions of the kingdom. They reported that the Funanese lived in stilt houses to protect against floods, a practice still common today, and that the people were "dark-skinned and frizzy-haired." They noted walled villages, palaces, and a system of taxation where tribute was paid in gold, silver, pearls, and ivory. The envoys were also impressed by the existence of extensive archives and libraries, indicating a high level of scholarship. In 263 CE, a group of Funanese musicians even visited the Chinese court and so impressed the emperor that he ordered the creation of an institute for Funanese music.

By the 5th century, Funan was at the apex of its power, exercising control over the lower Mekong and commanding tribute from smaller states across what is now northern Cambodia, southern Laos, and the upper Malay Peninsula. Its capital city, Vyadhapura (City of the Hunter), was likely located near the hill of Ba Phnom in modern Prey Veng province. Yet, even as it reached its peak, the seeds of its decline were being sown. Funan’s prosperity was heavily dependent on its control of coastal trade routes. Beginning in the 6th century, several factors began to undermine its dominance. Improvements in shipbuilding and navigation allowed traders to bypass Funan and sail directly between India and China across the open sea. Simultaneously, new and powerful maritime states, such as Srivijaya based in Sumatra, began to rise, creating intense competition.

Internal strife also played a role. Chinese histories record that the last king of Funan, Rudravarman, took the throne by killing the rightful heir, his half-brother Gunavarman. This dynastic instability likely weakened the kingdom from within, making it vulnerable to both internal rebellion and external threats. The greatest of these threats came from an inland vassal state, a polity known to the Chinese as Chenla. Located to the north of Funan's core territory, Chenla was growing in power, its strength based not on maritime trade but on control of fertile agricultural lands. As Funan’s coastal economy faltered, the center of power in the region began to shift inexorably inland, setting the stage for a new chapter in the history of the Khmer people.