did the first ohio/mississippi river confluence happen after 200 bce?
yes
col : lower mississippi periods | lower yazoo phases | lower yazoo\ndates | tensas/natchez phases | cahokia phases | cahokia dates | ohio/miss. river\nconfluence phases | ohio/miss. dates row 1 : historic | russell | 1650–1750 ce | tensas / natchez | vacant\nquarter | 1350 ce -\neuropean contact | jackson | 1500-1650 ce row 2 : plaquemine mississippian culture\nlate plaquemine/m | wasp lake | 1400-1650 ce | transylvania / emerald | vacant\nquarter | 1350 ce -\neuropean contact | jackson | 1500-1650 ce row 3 : plaquemine mississippian culture\nlate plaquemine/m | lake george | 1300-1400 ce | fitzhugh / foster | sand prairie | 1275-1350 ce | medley phase | 1300-1500 ce row 4 : plaquemine mississippian culture\nlate plaquemine/m | winterville | 1200-1300 ce | routh / anna | moorehead | 1200-1275 ce | dorena | 1100-1300 ce row 5 : transitional coles creek | crippen point | 1050-1200 ce | preston / gordon | lohmann\nsterling | 1050-1200 ce | dorena | 1100-1300 ce row 6 : coles creek culture\nlate coles creek\nmi | kings crossing | 950-1050 ce | balmoral | terminal late\nwoodland | 900–1050 ce | james bayou | 900-1100 ce row 7 : coles creek culture\nlate coles creek\nmi | aden | 800-950 ce | ballina | terminal late\nwoodland | 900–1050 ce | james bayou | 900-1100 ce row 8 : coles creek culture\nlate coles creek\nmi | bayland | 600-800 ce | sundown | late\nwoodland | 400–900 ce | cane hills\nberkley | 600–900 ce\n400–600 ce row 9 : baytown/troyville\nbaytown 2\n | deasonville | 500-600 ce | marsden | late\nwoodland | 400–900 ce | cane hills\nberkley | 600–900 ce\n400–600 ce row 10 : baytown/troyville\nbaytown 2\n | little sunflower | 400-500 ce | indian bayou | late\nwoodland | 400–900 ce | cane hills\nberkley | 600–900 ce\n400–600 ce row 11 : marksville culture\nlate marksville\nearly mark | issaquena | 200-400 ce | issaquena | middle\nwoodland | 200 bce - 400 ce | la plant\nburkett | 100 bce-400 ce\n550-100 bce row 12 : marksville culture\nlate marksville\nearly mark | anderson\nlanding | 0-200 ce | point lake/\ngrand gulf | middle\nwoodland | 200 bce - 400 ce | la plant\nburkett | 100 bce-400 ce\n550-100 bce row 13 : tchefuncte culture | tuscola | 400 bce-0 ce | panther lake | middle\nwoodland | 200 bce - 400 ce | la plant\nburkett | 100 bce-400 ce\n550-100 bce row 14 : jaketown | poverty point | 700- 400 bce | frasier | early woodland | 700-200 bce | o'bryan ridge | 700-550 bce row 15 : - | poverty point | 1000-700 bce | - | late archaic | 1000 - 200 bce | o'bryan ridge | 700-550 bce
did the first ohio/mississippi river confluence happen after 200 bce?
Lower Mississippi Periods Lower Yazoo Phases Lower Yazoo\nDates Tensas/Natchez Phases Cahokia Phases Cahokia Dates Ohio/Miss. River\nConfluence Phases Ohio/Miss. Dates
Historic Russell 1650–1750 CE Tensas / Natchez Vacant\nQuarter 1350 CE -\nEuropean Contact Jackson 1500-1650 CE
Plaquemine Mississippian culture\nLate Plaquemine/Mississippian\nMiddle Plaquemine/Mississippian\nEarly Plaquemine/Mississippian Wasp Lake 1400-1650 CE Transylvania / Emerald Vacant\nQuarter 1350 CE -\nEuropean Contact Jackson 1500-1650 CE
Plaquemine Mississippian culture\nLate Plaquemine/Mississippian\nMiddle Plaquemine/Mississippian\nEarly Plaquemine/Mississippian Lake George 1300-1400 CE Fitzhugh / Foster Sand Prairie 1275-1350 CE Medley Phase 1300-1500 CE
Plaquemine Mississippian culture\nLate Plaquemine/Mississippian\nMiddle Plaquemine/Mississippian\nEarly Plaquemine/Mississippian Winterville 1200-1300 CE Routh / Anna Moorehead 1200-1275 CE Dorena 1100-1300 CE
Transitional Coles Creek Crippen Point 1050-1200 CE Preston / Gordon Lohmann\nSterling 1050-1200 CE Dorena 1100-1300 CE
Coles Creek culture\nLate Coles Creek\nMiddle Coles Creek\nEarly Coles Creek Kings Crossing 950-1050 CE Balmoral Terminal Late\nWoodland 900–1050 CE James Bayou 900-1100 CE
Coles Creek culture\nLate Coles Creek\nMiddle Coles Creek\nEarly Coles Creek Aden 800-950 CE Ballina Terminal Late\nWoodland 900–1050 CE James Bayou 900-1100 CE
Coles Creek culture\nLate Coles Creek\nMiddle Coles Creek\nEarly Coles Creek Bayland 600-800 CE Sundown Late\nWoodland 400–900 CE Cane Hills\nBerkley 600–900 CE\n400–600 CE
Baytown/Troyville\nBaytown 2\nBaytown 1 Deasonville 500-600 CE Marsden Late\nWoodland 400–900 CE Cane Hills\nBerkley 600–900 CE\n400–600 CE
Baytown/Troyville\nBaytown 2\nBaytown 1 Little Sunflower 400-500 CE Indian Bayou Late\nWoodland 400–900 CE Cane Hills\nBerkley 600–900 CE\n400–600 CE
Marksville culture\nLate Marksville\nEarly Marksville Issaquena 200-400 CE Issaquena Middle\nWoodland 200 BCE - 400 CE La Plant\nBurkett 100 BCE-400 CE\n550-100 BCE
Marksville culture\nLate Marksville\nEarly Marksville Anderson\nLanding 0-200 CE Point Lake/\nGrand Gulf Middle\nWoodland 200 BCE - 400 CE La Plant\nBurkett 100 BCE-400 CE\n550-100 BCE
Tchefuncte culture Tuscola 400 BCE-0 CE Panther Lake Middle\nWoodland 200 BCE - 400 CE La Plant\nBurkett 100 BCE-400 CE\n550-100 BCE
Jaketown Poverty Point 700- 400 BCE Frasier Early Woodland 700-200 BCE O'Bryan Ridge 700-550 BCE
- Poverty Point 1000-700 BCE - Late Archaic 1000 - 200 BCE O'Bryan Ridge 700-550 BCE
yes