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Mississippian period (archaeology)

Cultural period in parts of the US (1000 CE – 1500 CE)

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Exhibit from the Native American Collection, Peabody Museum, Harvard University, Cambridge, Massachusetts, USA. Photography was permitted without restriction; exhibit is old enough so that it is in th
Daderot · Public domain

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Although there were substantial changes in society and political structures, the break with the preceding Woodland period was incomplete. Despite the emphasis on maize, the old Eastern Agricultural Complex crops remained in use by Mississippians. The flat-topped platform mound, once thought to be a uniquely Mississippian trait, has been found to have its origins as far back as the Archaic period, although summit structures still appear to be a uniquely Mississippian occurrence. Most Mississippians retained the Hopewell clan system, where each clan functioned like a ritual society rather than solely kin groups, and travelers were able to obtain hospitality from a fellow clan member thousands of miles from their original home.

Founded in 1050, the city of Cahokia likely had a population of at least 22,400 at its peak around 1124. Archaeologists believe it to be a planned social and religious project, with towering mounds built by a mix of Caddoan, Natchezan, Muskogean, and Dhegiha Siouan peoples. Between 1050 and 1150, the Cahokians briefly established a series of missionary outposts as far as 500 miles north of Cahokia. Despite its failure and rejection by the local woodland population in the north, other Cahokian projects seem to have greater success, like in Angel Mounds, which was used as a pilgrimage site for Cahokians. The end of the Medieval Climate Anomaly (around 900 to the early 1100s), and the start of a decades long drought (1150–1200) in Illinois brought political instability to the region.

These developments resulted in an exodus of some 50% of Cahokians at the time to the Nashville area (likely ancestral to the Koasati people), that region peaking in population around 1275, as well as the exodus of several thousand more to other regions like Angel on the Ohio and Etowah in the Appalachians, kickstarting the Middle Mississippian period. Many Mississippian mound centers outside Cahokian influence began to rise in prestige, like Moundville in Alabama, the Yazoo basin in Mississippi, and the Oconee basin in Georgia. As the elite of these mound sites drew in more and more exotic trade goods, the Mississippian world saw an influx of religious concepts from the west around 1300, notably the Datura Ritual Complex.

The Late Mississippian period (1400–1600) was marked by less elaborate, but territorially larger paramount chiefdoms. These various paramountcies functioned less like the Middle Mississippian complex-chiefdoms, with a powerful center and a less powerful periphery, but more as a confederation of various mound sites headed by a paramount, a primus inter pares known as the "Gran Cacique" by Spanish settlers. Many settlements nucleated, increased defenses with larger defenses, and furthered development of archery technology. Entire river basins, like the Savannah River, were transformed into 'Vacant Quarters'; sparsely settled buffer zones that lay between growing paramount chiefdoms.

History

Emergent Mississippian/Terminal Late Woodland (c. 900 – c. 1000)

The Mississippian peoples had their origins in preceding Woodland groups, inheriting the Hopewell clan system, Hopewell units of measurement, as well as reusing some Hopewell period mound centers. The Post-Hopewell Late Woodland Period was characterized by the use of new bow and arrow technology, an uptick in maize consumption, elaboration of platform mound construction, and new forms of political organization. The latter half of this period, between 900 AD and 1000 AD, is known as the transitioned to the Emergent Mississippian or Terminal Late Woodland period. Although the Emergent Mississippian period continued much of the same trends as the Late Woodland period, this period is noteworthy for beginning to build summit structures on platform mounds, beginning production of shell-tempered pottery, and growing trade networks across the Mississippian world. The Emergent Mississippian/Terminal Late Woodland is categorized as distinct from the rest of the Late Woodland also because of the growth of Cahokia during this period.

Early Mississippian period (c. 1000 – c. 1200)

The Early Mississippian period was principally characterized by the growth and apex of city of Cahokia. Including downtown Cahokia near Collinsville, as well as the East St. Louis precinct, this urban center likely peaked in population and power around 1124 with at least 22,400 people, and possibly a few thousand more in St. Louis. Construction primarily occurred during the Edelhardt phase (1000–1050) and Lohmann phase (1050–1100). Archaeologists believe it to be a planned social and religious project, involving towering earthen pyramids built by a mix of Caddoan, Natchezan, Muskogean, and Dhegiha Siouan peoples. It was perhaps related to astronomical events like Halley's Comet or SN 1054.

Between 1050 and 1100, Cahokians also briefly established a series of missionary outposts in the Midwest as far as 900 kilometres (560 mi) to the north, like Trempealeau Mounds, Aztalan, and the Apple River valley. There have been various theories for these various regions on why Cahokians came and were allowed to stay in these regions. For Cahokians, their principal reasons were likely centered around spreading their way of life and religion, as well as certain natural geography that affirmed their religion. For the native woodlanders, embracing Cahokian way of life was for alliance purposes, access to resources, and to support a growing elite group centered based on new sacred objects. Despite the abandonment of these initial outposts, later Cahokian projects seem to have greater success, like in the Central Illinois River Valley, whose ruling elite are thought to have come from Cahokia. or Angel Mounds, thought to be reliant on Cahokia and founded in part by Cahokians (or at least Angel priests educated in Cahokia).

Towards the end of the 11th century, expansion also began southward. Notable examples include the Carson Mounds site, believed to be a Cahokian exclave, as well as the mounds at Lake Providence, Louisiana, which may have had Cahokian residents. This expansion was interrupted however, by a new crisis in the Midwest, one that would eventually spell the end of Cahokian hegemony. The end of the Medieval Climate Anomaly had triggered the start of a dry spell in Illinois, with two droughts occurring between 1150 and 1200, and a third around 1275, bringing much political instability to the region. This instability resulted in a serious exodus of Central Mississippians to regions that previously held links with Cahokia, like the Nashville area, where immigration hit its peak around 1275. Several thousand fled eastward, along the Ohio River. Although this migration was principally to Mississippian mound centers like Prather and Angel, several Early Fort Ancient (1000–1300) sites appears to have had a disproportionately high amount of non-local remains during this time period as well, with possible origins in parts of Tennessee or the Central Mississippi valley. Such sites include Turpin and State Line, as well as Guard, Schomaker, and Horseshoe Johnson. Several groups of Central Mississippian travelers likely also migrated to Georgia, occupying the Macon Plateau after 1100, as well as causing the Nashville Mississippian migration to Etowah. Most of these Cahokian "diaspora" groups were likely families returning to their ancestral lands after staying in Cahokia for several generations, as opposed to invading migrants.

Although undoubtedly an important site, Cahokia wasn't the only progenitor of Mississippian peoples in the Southeast. Several other Mississippian sites emerged across the Southeast independent of Cahokia. Established around the same time, the Shiloh Indian Mounds Site along the Tennessee River played an important role in Mississippian history. Migration coming out of Shiloh and the Tennessee River Mississippians led to the establishment of centers including Moundville on the Black Warrior River, Bessemer Mounds near modern Birmingham, Cedar Creek on the Alabama River, as well as several mounds on the Chattahoochee River. In the Appalachian Mountains, there are several Cherokee mounds that date to the Early Mississippian period, such as Kituwa and Nikwasi. These Cherokee sites, as well as neighboring Early Mississippian mounded centers in Atlanta, Eastern Tennessee, and South Carolina were the Mississippian pioneers in the South Appalachia region with strong roots from preceding Woodland period polities, such as those of the Woodstock in northern Georgia and the builders of the Kolomoki Mounds.

Middle Mississippian period (c. 1200 – c. 1400)

The waning of Cahokian dominance created a mild power vacuum in the Mississippian world, giving rise to the Middle Mississippian period; a multipolar Mississippian world dominated by many polities competing and collaborating with each other to obtain prestige goods. In Alabama there was Pafalaya, consolidated around Moundville. A monumental center of arts and earthen architecture during this period, Moundville saw its peak in population around 1200, the culmination of population movements from the countryside beginning c. 1120. Around the same time, large monuments sprang up all over the nearby Yazoo River, a new manifestation of the Mississippian way of life known as the Plaquemine culture. Allies of Moundville, the largest sites of this region include Holly Bluff, Winterville, and Emerald mound sites, the latter having the tallest Mississippian mound after Cahokia (if one were to count the secondary mound on top of the base mound).

Several centers with links to Cahokia also grew in power. Located on the southern edge of the Appalachian Mountains, the chiefdom of Itaba built the tallest single temple mound after Cahokia in its namesake capital of Etowah, and became the leading regional hegemon. Itaba's prominence and grandeur may have forced an alliance against Etowah, between the Koasati and Coosa polities to the north, paving the way for Itaba's eventual collapse. At the northern edge of the American Southeast lay Angel Mounds, capital of Taarsite/Arkansa. Formerly a Cahokian mission, the religious leaders at Angel grew a vast network of hinterland sites across western Kentucky, peaking in the early 14th century. In Tallahassee, an area with a long tradition of platform mound construction dating before the Mississippian period, the Apalachee constructed the Okeeheepkee Mounds, likely with some influence from Cahokian inspirations.

On the western edge of the American South lay the Caddoan Mississippians, the Mississippian period descendants of the Fourche Maline culture. Heavily involved with the development of Cahokia, the Caddoans also constructed numerous mound sites of their own, like Spiro and the Battle Mound Site,in the Arkansas River Valley and the Red River Valley respectively. A center for world renewal ritualism, Spiro became a center for prestige goods coming from all over the Mississippian world, reaching gatherings of up to 10,000 people. The religious elite at Spiro erected a vast network of Sprioan 'monasteries', spanning over a hundred miles; missionary outposts for some sort of Spiro gospel.

As the elite of these mound sites drew in more and more exotic trade goods from farther and farther places, the Mississippian world saw an influx of religious concepts from the west in the middle of this period, notably the Datura Ritual Complex, based around the consumption of Datura deliriants by the religious elite. Because the Central Mississippi River valley was located closer to these trade routes, the old rituals derived from Cahokia likely declined in favor of the new Datura-based Central Mississippian rituals. By 1300, nucleated ceremonial capitals like Moundville had declined substantially in residential population in favor of the elite. The capital districts became limited to the elite, used for their rituals and ceremonies. These ceremonies involved intricate works of art like Etowah's copper plates and Moundville's stone palettes, and likely forms of ceremonial music as recorded by historic descendants like the Osage.

Late Mississippian period (c. 1400 – c. 1600)

The Late Mississippian period was marked by less elaborate, but territorially larger paramount chiefdoms. These paramountcies functioned less like the Middle Mississippian complex-chiefdoms, which had a powerful center and a less powerful periphery, but more as a confederation of many chiefdoms headed by a paramount, a primus inter pares known as the "Gran Cacique" by Spanish conquistadors. Several Mississippian states rose in political power, like the Cofitachequi in South Carolina, the Chiscas in Virginia, the aforementioned Apalachee in Florida, and the Ocute in Georgia. These developments were likely related to two factors; the Little Ice Age, and the introduction of the new Nodena Point arrow type.

The Little Ice Age caused instability in the maize growing Southeast, resulting in the development of the Nodena Arrow Point and the powerful southeastern longbow. Many settlements nucleated and increased defenses with larger palisades and moats, accompanied by the rise of a new warrior system based on merit. Entire river basins, like the Savannah River, were transformed into 'Vacant Quarters'; unsettled buffer zones that lay between growing paramount chiefdoms. Several Mississippian paramountcies rose in political power, like the Cofitachequi in South Carolina, the aforementioned Apalachee in Florida, the Ocute in Georgia, and Coosa in the Appalachian mountains.

Contact with Europeans (1540–1730)

Scholars have studied the records of Hernando de Soto's expedition of 1539–1543 to learn of his contacts with Mississippians, as he traveled through their villages of the Southeast. He visited many villages, in some cases staying for a month or longer. The list of sites and peoples visited by the Hernando de Soto Expedition chronicles those villages. Some encounters were violent, while others were relatively peaceful. In some cases, de Soto seems to have been used as a tool or ally in long-standing native feuds. In one example, de Soto negotiated a truce between the Pacaha and the Casqui.

De Soto's later encounters left about half of the Spaniards and perhaps many hundreds of Native Americans dead. The chronicles of de Soto are among the first documents written about Mississippian peoples and are an invaluable source of information on their cultural practices. The chronicles of the Narváez expedition were written before the de Soto expedition; the Narváez expedition informed the Court of de Soto about the New World.

After the destruction and flight of the de Soto expedition, the Mississippian peoples continued their way of life with little direct European influence. Indirectly, however, European introductions dramatically changed these native societies. Because the natives lacked immunity to infectious diseases unknowingly carried by the Europeans, such as measles and smallpox, epidemics caused so many fatalities that they undermined the social order of many chiefdoms. Some groups adopted European horses and changed to nomadism. Political structures collapsed in many places.

When these epidemics started to appear is not fully clear however. While researchers like Henry Dobyns and others argue that diseases spread rapidly from early Spanish contact and perhaps even earlier through trade paths from Mexico others have criticized this point, such as David Henige, arguing it exaggerates the spread of illness. Notably, the expeditions carried out by de Soto and later others like Tristán de Luna y Arellano (1559–1561) involved the Spanish camping for weeks and months in some locations and no reports of outbreak of illness among the natives in the vicinity were written by the chroniclers. Some of the Spanish had gotten sick during these expeditions but only after already traveling for many months. Natives located in the more interior regions of the Southeast might've not experienced epidemics brought by European contact until the late seventeenth century, as more current research suggests.

At Joara, near Morganton, North Carolina, Native Americans of the Mississippian culture interacted with Spanish colonizers of the Juan Pardo expedition, who built a base there in 1567 called Fort San Juan. Expedition documentation and archaeological evidence of the fort and Native American culture both exist. The soldiers were at the fort about 18 months (1567–1568) before the natives killed them and destroyed the fort. (They killed soldiers stationed at five other forts as well; only one man of 120 survived.) Sixteenth-century Spanish artifacts have been recovered from the site, marking the first European colonization in the interior of what became the United States.

By the time more documentary accounts were being written, the Mississippian way of life had changed irrevocably. Some groups maintained an oral tradition link to their mound-building past, such as the late 19th-century Cherokee. Other Native American groups, having migrated many hundreds of miles and lost their elders to diseases, did not know their ancestors had built the mounds dotting the landscape. This contributed to the myth of the Mound Builders as a people distinct from Native Americans, which was rigorously debunked by Cyrus Thomas in 1894.

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