Based on the provided search results, here is a timeline and summary of Mississippian warfare that occurred between approximately 1000-1500 CE:
Timeline
-
800-1000 CE: The Mississippian culture emerges in the Midwestern and Southeastern United States. Significant warfare begins to develop among Mississippian chiefdoms[11].
-
1000-1250 CE: Early Mississippian Period. Different groups transition from tribal lifeways to increasing complexity, sedentism, centralization, and agriculture[7]. Evidence of warfare includes palisaded villages and warrior iconography[1].
-
1200-1400 CE: Middle Mississippian Period, the apex of the Mississippian era. Continued evidence of warfare practices[7].
-
After 1250 CE: Farming communities, especially great centers and large towns, begin constructing defensive enclosures in response to increasing warfare[13].
-
1400-1540 CE: Late Mississippian Period characterized by increasing warfare, political turmoil, and population movement. More defensive structures are seen at sites[7]. Chronic raiding occurs between enemy chiefdoms[11].
-
1450-1600 CE: At the Norris Farms #36 site in Illinois, a small number of children interred suffered fatal and non-fatal traumatic injuries, likely related to warfare[1].
-
1541 CE: When Hernando de Soto arrives in Arkansas, he encounters Mississippian peoples[9]. Historical accounts from the 16th-17th centuries describe large-scale battles between armies of a few hundred men each[11].
Summary
Significant evidence of warfare has been found at Mississippian sites dating from approximately 1000-1500 CE. Bioarchaeological remains show individuals, including children, suffered violent trauma both fatal and non-fatal[1]. Defensive structures like palisades and ditches were constructed around large towns, suggesting a need for protection[11].
Warfare tactics included small-scale raids by war parties armed with bows and war clubs to attack households or ambush enemies. Trophies like scalps were taken. Revenge cycles between chiefdoms resulted in chronic raiding[11]. Chiefs and warriors possessed ceremonial war clubs with deity symbols[11].
Later historical accounts mention some larger pitched battles between armies of a few hundred warriors shooting arrows and engaging in hand-to-hand combat with war clubs[11]. After European contact in the 16th century, warfare changed with the introduction of metal hatchets and firearms[11]. But ultimately, Mississippian groups were decimated by European diseases and could not win against superior American forces, leading to their forced removal[11].
So in summary, the archaeological and historical evidence points to a long period of various types of endemic warfare among Mississippian chiefdoms, including raiding, skirmishes and some larger battles, from 1000 CE until their ultimate disruption and defeat after European contact in the 16th century. Warfare had major cultural impacts and was a prominent theme in Mississippian belief systems and sociopolitical organization[11].
Citations:
[1] https://core.tdar.org/collection/65139/blood-in-the-waters-violence-in-the-mississippian-and-late-prehistoric-eastern-woodlands
[2] https://tennesseeencyclopedia.net/entries/mississippian-culture/
[3] https://www.nps.gov/articles/000/mississippian-period-500-to-1-000-years-ago.htm
[4] https://encyclopediaofalabama.org/article/mississippian-period/
[5] https://encyclopediaofarkansas.net/entries/mississippian-period-544/
[6] https://www.georgiaencyclopedia.org/articles/history-archaeology/mississippian-period-overview/
[7] https://en.wikipedia.org/wiki/Mississippian_culture
[8] https://ancientnc.web.unc.edu/indian-heritage/by-time/mississippian/
[9] https://home.nps.gov/fosm/learn/historyculture/mississippiperiod.htm
[10] https://www.britannica.com/topic/Mississippian-culture
[11] https://www.georgiaencyclopedia.org/articles/history-archaeology/indian-warfare/
[12] https://historytimelines.co/timeline/mississippian-culture
[13] https://www.researchgate.net/publication/297729044_A_Chronology_for_Warfare_in_the_Mississippian_Period_AD_1000-1500
[14] https://search.proquest.com/openview/dab96210f93b7c29f2f64ee8e7203590/1?cbl=18750&pq-origsite=gscholar