Uncovering the mysteries of Cahokia

The ancient metropolis of the Midwest

C. L. Beard
ILLUMINATION
12 min readNov 18, 2023

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Photo by Tony L on Unsplash

For centuries, the ancient city of Cahokia stood as one of the most important commercial and cultural centers in the Americas. Today, its ruins offer an incredible insight into the lives of the Native American civilization that inhabited the region from the ninth to the fifteenth century. In this article, we’ll delve deeper into the history, architecture, belief systems, and cultural practices of the Cahokians and explore why this forgotten metropolis of the Midwest deserves more attention. Read on to discover more.

Introduction to Cahokia and its significance

Located on the banks of the Mississippi River in Illinois, Cahokia is one of the most fascinating archaeological sites in North America. It was the center of an ancient civilization known as the Mississippian culture, which existed from approximately 600 to 1400 CE. The site covers an area of about 6 square miles and contains hundreds of ancient mounds, earthworks, and other archaeological features.

Cahokia was a pre-Columbian city that developed in the Middle Mississippi Valley and dominated the region between 1050 and 1200 CE. It was a complex society that consisted of thousands of individuals who built monumental earthwork structures and participated in a variety of cultural practices, including religious ceremonies, trade, and agriculture.

The site was named after the indigenous tribe that lived in the area when French explorers first arrived in the 17th century. The Cahokia Mounds State Historic Site was designated as a UNESCO World Heritage Site in 1982 and is now a popular destination for visitors interested in native American history and midwest history.

List of Ancient Infrastructure:

  • Monks Mound: The largest and most famous mound at Cahokia, Monks Mound is a massive structure that covers more than 14 acres and rises to a height of 100 feet. It was the central feature of the city and may have served as a platform for the chief’s residence or a temple.
  • Woodhenge: A series of large wooden posts arranged in a circular pattern that may have been an astronomical observatory or a location for religious ceremonies.
  • Grand Plazas: Cahokia’s central plaza covered more than 50 acres and was surrounded by dozens of mounds and other monumental features.
  • Ridge-top mounds: More than 100 smaller mounds, which may have been used for burials, dotted the landscape surrounding the central city.
  • The stockade wall: Built around the city to protect the Cahokians from their enemies — the architects of Cahokia created an enormous wall of wooden stakes that was more than 2 miles long.

Cahokia’s significance lies in its role as a preeminent ancient city in the United States. It was one of the largest and most complex societies in North America before European contact and played a significant role in shaping native American history and midwest history. It was an urban center, a trade hub, a religious and ceremonial center, and an agricultural society all in one. The city also had an advanced level of social structure and urban planning, which included the partitioning of certain areas for residential, administrative, and religious purposes.

In the following sections, we will explore some of the most noteworthy structures, social practices, and religious beliefs of the Cahokians.

Photo by Greg Rosenke on Unsplash

The Mound Complex: The Heart of Cahokia’s Architecture

Cahokia, the ancient metropolis of the Midwest, is renowned for its impressive earthen mounds that dominate the landscape. These mounds are the most visible remains of the pre-Columbian Mississippian culture that occupied this region from around AD 800 to 1350. At its peak, Cahokia was the largest urban center north of Mexico, with a population of over 20,000 people. Today, the Cahokia Mounds State Historic Site is a UNESCO World Heritage Site and a must-visit destination for anyone interested in Native American history, ancient architecture, and urban planning.

At the heart of Cahokia’s architecture is the Mound Complex, a vast plaza encompassing over 120 hectares. The complex features several large earthen mounds, including the iconic Monks Mound, which is over 30 meters high and covers an area of 5 hectares. This mound alone required the movement of more than 22 million cubic feet of earth, a feat that is still awe-inspiring today.

While the purpose of the mounds is still debated by archaeologists, it is believed that they served a variety of functions. Some were used as platforms for buildings, while others were mortuary mounds that housed the remains of important individuals. The largest mounds were likely used for religious ceremonies and astronomical observations.

The Mound Complex also includes several other important features, such as the Woodhenge, a circle of wooden posts that may have been used for astronomical observations and solar alignments. The circle is aligned with the equinoxes and solstices, suggesting that the Cahokians had a sophisticated understanding of astronomy.

Another notable feature of the Mound Complex is the Grand Plaza, a large open space that may have been used for public gatherings, ceremonies, and trade. In fact, Cahokia was an important trade center, with goods from as far away as the Gulf of Mexico and the Great Lakes region found at the site. The Cahokians were skilled farmers and traders, and their agricultural surplus allowed for the development of a complex society with a hierarchical social structure.

The Mound Complex also showcases Cahokia’s impressive urban planning. The plaza and mounds were carefully arranged to align with cardinal directions and solar alignments, and the entire complex was surrounded by a palisade wall with bastions and gateways. The layout of Cahokia suggests that it was designed to be both a religious and political center, with the mounds serving as symbols of power and authority.

Today, visitors to Cahokia can explore the Mound Complex and learn about its impressive architecture, religious beliefs, and economic and political systems. The site features a museum and interpretive center, as well as guided tours and educational programs. The ancient ruins and artifacts at Cahokia provide a fascinating glimpse into a complex society that flourished long before the arrival of Europeans in North America.

Social Structure and Daily Life of Cahokians

The people of Cahokia were part of a complex society that had a structured social hierarchy. The elite class consisted of rulers, religious leaders, and others who held positions of power, while the common people engaged in farming, craftsmanship, and hunting. Here are some aspects of daily life and social structure that have been revealed through archaeological research at Cahokia.

The Elite Class

The elite class at Cahokia was made up of rulers who held significant power and authority. They controlled the land and its resources and were responsible for overseeing the construction of the mounds and other architectural features in the city. The priests played a crucial role in religious and ceremonial affairs, while other members of the elite class held administrative and leadership roles.

The Common People

Most of the people of Cahokia were commoners who engaged in farming, hunting, and crafting. They lived in small settlements around the city and were responsible for providing food and materials for the city’s elites. The agricultural practices of the Cahokians were advanced and were instrumental in supporting the large population of the city. They grew crops such as maize, beans, and squash, which were supplemented by hunting and gathering.

Craftspeople

Cahokia was also an important center for craftsmanship. Artisans created beautiful pottery, stone tools, and jewelry, which were traded throughout the region. Many of the craftsmen and women were ranked highly in society and were part of the elite class.

Housing

Houses in Cahokia were made of wood, wattle, and daub and were typically rectangular in shape. They were elevated on stilts, and the roofs were made of thatch. The insides of the houses were divided into small rooms, and the walls were decorated with murals and wooden carvings.

Clothing

The Cahokians wore clothes made of woven fibers, hides, and furs. Both men and women wore skirts or breechcloths and cloaks made from animal skins. They also wore intricate headdresses and jewelry made of copper and shell.

List of Social Structure and Daily Life Aspects

Here are some aspects of daily life and social structure of Cahokians:

  • The elite class consisted of rulers, religious leaders, and others who held positions of power
  • The common people engaged in farming, craftsmanship, and hunting
  • Advanced agricultural practices supported the large population of the city
  • Artisans created pottery, stone tools, and jewelry, which were traded throughout the region
  • Houses in Cahokia were made of wood, wattle, and daub
  • Clothing was made from woven fibers, hides, and furs

Overall, the people of Cahokia lived in a highly structured society that revolved around the construction of the mounds, agriculture, and craftsmanship. Through the work of archaeologists, we now have a better understanding of their social hierarchy and daily lives.

Religious Beliefs and Ceremonial Practices

The ancient metropolis of Cahokia was more than just a trade and agricultural center — it was also a religious and ceremonial hub that shaped the beliefs of the people who called it home.

At the center of Cahokia’s religious beliefs was the concept of a powerful deity who controlled the natural forces of the world, such as the sun and rain. This deity, known as the “Great Sun,” was believed to be embodied in the ruler of Cahokia, who was the supreme political and religious leader of the city.

The people of Cahokia also believed in a complex system of spirits and ancestors who could influence their daily lives. This belief was reflected in the construction of the city’s many earthen mounds, which were used for a variety of spiritual and ceremonial purposes.

One of the most impressive earthen mounds at Cahokia is the “Monks Mound,” which stands at a towering 100 feet tall. This mound is believed to have been the focal point of many religious ceremonies and was likely the site of the ruler’s residence.

Another significant religious structure at Cahokia is the “Woodhenge,” which is a series of wooden posts arranged in a circular pattern. This structure was likely used for astronomical observations and rituals related to the cycles of the sun and other celestial bodies.

Overall, the religious and ceremonial practices of Cahokia were an essential part of the city’s social structure and daily life. They played a crucial role in shaping the beliefs and identities of the people who lived within its walls, and they continue to fascinate historians and archaeologists today.

As visitors explore the site of Cahokia, they can witness the legacy of these ancient beliefs and practices, which continue to inspire and intrigue people from all over the world.

Astronomy and Solar Alignments at Cahokia

Amidst the impressive architecture, complex society, and cultural practices, Cahokia’s astronomical feats are often overlooked. However, recent archaeological discoveries have shed light on the ancient city’s mastery of astronomy and solar alignments.

  1. Woodhenge: Cahokia’s Solar Calendar One of Cahokia’s most remarkable astronomical structures is Woodhenge, located within the Mound Complex. Woodhenge comprised 48 wooden posts arranged in a circle, believed to represent the solar year’s 52 weeks. The posts’ alignment with the sunrise and sunset on the solstices and equinoxes suggests that it was a solar calendar used to mark the passage of time and coordinate agricultural activities.
  2. Monks Mound: A Solar Observatory? Monks Mound, the largest and most prominent earthen structure at Cahokia, is also believed to have played a significant role in astronomy. Its eastern base aligns with the sunrise on the equinox, while a staircase on the western side aligns with the sunset on the solstice. Some theories suggest that the summit of Monks Mound might have served as a solar observatory for studying celestial events.
  3. Other Astronomical Alignments Apart from Woodhenge and Monks Mound, other structures at Cahokia also exhibit remarkable astronomical alignements. For instance, Mound 72, believed to be a burial site for Cahokia’s elite, contained a rare bird-shaped copper sheet cut to resemble a falcon or an eagle with outstretched wings, believed to symbolize the sun’s movements. Another example is Mound 51, which aligns with the summer solstice sunrise, indicating the importance of the summer season in Cahokia’s agricultural cycle.
  4. The Significance of Cahokia’s Astronomical Achievements Cahokia’s astronomical feats were more than just technical accomplishments. They served as markers of the city’s power and knowledge, reinforcing social and political hierarchies. Additionally, astronomical events likely played a role in Cahokia’s religious and ceremonial practices, with some structures likely serving as revered sites for rituals related to solstices, equinoxes, and other celestial events.

Undoubtedly, Cahokia’s astronomical achievements were an integral part of its remarkable cultural and historical significance. As modern-day visitors walk among the ancient ruins, they can marvel at the city’s incredible technical knowledge, strategic urban planning, and deep connection to nature.

Photo by Andrew James on Unsplash

Trade and Economy in the Ancient Metropolis

Throughout its centuries-long existence, Cahokia was not just a cultural and religious center, but also a bustling trade and economic hub. As one of the largest and most complex societies of its time, Cahokia had a highly developed economy and engaged in long-distance trade with other civilizations throughout North America.

Cahokia’s economy was largely based on agriculture, and the people of Cahokia were skilled farmers who cultivated crops like corn, beans, and squash. They also harvested wild plants and fruits, hunted game, and fished in the nearby rivers. With such a prosperous agricultural sector, Cahokian farmers had enough surplus food to feed the workers and priests of the mound city.

In addition to farming, Cahokia also had a thriving crafts industry, producing a range of goods such as pottery, textiles, and jewelry from locally sourced materials such as shell, bone, and copper. These items were traded with other nearby Native American groups, as well as with more distant civilizations like the Hopewell and Mississippian cultures.

As Cahokia’s population grew, so too did its economic power, and the city became an important center of trade and commerce. The sprawling metropolis was strategically located near the confluence of the Mississippi, Missouri, and Illinois Rivers, providing easy access to water-based trade routes that stretched across the continent.

Archaeological evidence suggests that Cahokia traded extensively with other civilizations, exchanging goods such as exotic shells, copper, and precious stones from far-off places like the Gulf Coast and Appalachia. In return, Cahokia likely provided its trading partners with agricultural goods, crafts, and other commodities.

The importance of Cahokia’s trade network cannot be overstated, as it helped to foster economic and cultural ties between different groups across the continent. Along with these trade connections, Cahokia’s religious and cultural influence also spread far and wide, as evidenced by the many artifacts and ceremonial objects found at other Mississippian sites throughout the South and Midwest.

While Cahokia’s economy and trade network played a key role in its rise as a powerful civilization, it may have also played a role in its eventual decline. Theories suggest that overreliance on long-distance trade and unsustainable farming practices may have contributed to the city’s eventual collapse.

Despite its ultimate demise, the legacy of Cahokia’s trade and economic prowess lives on, and the city remains a fascinating glimpse into the ingenuity and complexity of ancient Native American civilizations.

Decline and Abandonment of Cahokia

Cahokia was a thriving metropolis in the Midwest for over three hundred years. However, around the 13th century, the city began to experience a decline. Historians and archeologists have cited multiple factors that contributed to the eventual abandonment of Cahokia.

  1. Environmental Factors: Cahokia’s residents relied on the Mississippi River for transportation and agriculture. However, the river’s flood patterns became unpredictable, causing crop failures and population displacement.
  2. Social Unrest: As Cahokia expanded, the social structure became more complex. This created tensions between farming and ruling classes. The rising inequality and social unrest ultimately destabilized the city.
  3. Warfare: Cahokia’s central location made it a prime target for raids and territorial disputes. As invaders breached the city’s defenses, its residents fled, causing population loss and economic collapse.
  4. Disease: Cahokia’s location along trade routes made it a hub for disease. The sudden spread of illnesses such as tuberculosis and syphilis further contributed to the city’s decline.

Despite these challenges, Cahokia remains a remarkable monument of America’s pre-Columbian history. The ancient civilization’s cultural practices, technological advancements, and urban planning continue to fascinate archaeologists and historians. Moreover, the city’s decline and abandonment reflect the complexities of social, environmental, and economic forces that impact all societies throughout history.

Today, visitors can explore Cahokia’s remaining mounds and ruins. The site’s historical significance has earned it a UNESCO World Heritage designation, and it continues to be a source of pride and curiosity for Illinois and the Midwest.

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C. L. Beard
ILLUMINATION

I am a writer living on the Salish Sea. I also publish my own AI newsletter https://brainscriblr.beehiiv.com/, come check it out.