Cahokia Woodhenge was a solar calendar; the video’s lunar and Stonehenge claims are unproven

City/town/settlement1000 - 1500 AD
The Roundtable Chronicles
Source: The Roundtable Chronicles by Institute for Natural Philosophy

Site mentioned

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Cahokia’s Woodhenge consisted of several timber-post circles built in stages and used to mark seasonal sunrise events, including the solstices. It stood roughly 850 metres west of Monks Mound on an equinox-sunrise axis, while a winter-solstice line ran toward the Fox Mound–Mound 59 axis.

The video argues that lunar declinations were built into the layout, that Mound 72 acted as a lunar marker, and that a beaker from Feature 309 bears European Beaker Culture symbolism, linking Cahokia to Stonehenge. The cited sources do not establish those broader links, the claimed 92-point, 27.1-degree calculation or Professor Al Fang’s independent confirmation. Cahokia’s five wood circles did not mirror Stonehenge’s stone-ring plan.

Key facts

  • Cahokia Woodhenge comprised multiple timber-post circles built in stages, commonly identified as five features. European Stonehenge did not have the same number or arrangement of rings.
  • Archaeological sources describe Woodhenge as a solar calendar whose posts marked seasonal sunrise events, including the solstices.
  • Woodhenge stood roughly 850 metres west of Monks Mound, with an equinox axis toward Monks Mound. A winter-solstice sunrise alignment ran toward the Fox Mound–Mound 59 axis across the Grand Plaza.
  • A decorated beaker was recovered from Feature 309, but the cited sources do not establish identical European Beaker Culture symbolism or a European connection.
  • The video argues that maximum and minimum lunar declinations were built into Woodhenge and that Mound 72 served as a lunar marker. These are the presenter’s interpretations, not established archaeological findings.
  • The cited sources do not substantiate the claimed 92-point, 27.1-degree calculation or independent confirmation by Professor Al Fang at Illinois State University.

More about Cahokia Mounds State Historic Site

Sources

Cahokia Woodhenge Facts for Kidskids.kiddle.co
He confirmed there were five separate timber circles. They are now called Woodhenge I through V. Each circle had a different size and number ...
Cahokia Woodhenge - Grokipediagrokipedia.com
The structure consists of five overlapping circles (labeled I through V) of timber posts, with the posts arranged in partial arcs rather than complete rings.
Cahokia Woodhenge - Wikipediaen.wikipedia.org
The Cahokia Woodhenge was a series of large timber circles located roughly 850 metres (2,790 ft) to the west of Monks Mound at the Mississippian culture ...
Collinsville - Sundial Registrysundials.org
There are a series of wood posts in multiple circles that indicate various solar events such as the solstices, equinoxes, and what are ...
The History of Cahokia's Five Woodhenges.drloihjournal.blogspot.com
The Cahokia Woodhenge was a series of large timbers forming a circle located roughly one-half mile west of Monks Mound in the Indian Village of Cahokia site.
Winter Solstice Sunrise Observancecahokiamounds.org
Bundle-up and join us as we welcome the chilly season at the Winter Solstice Sunrise Observance! Meet at the Woodhenge Reconstruction, west of Monks Mound, by 7 ...
The Solar Calendar of Woodhenge in Cahokia | Native Americapbslearningmedia.org
Cahokia's “Woodhenge,” a ring of cedar posts that acts as a solar calendar to determine when to plant and harvest and gather for ceremonies.
Cahokia Marks Summer Solstice at Woodhenge - ICTictnews.org
Woodhenge is a calendar of posts lined up with the rising sun at certain times of the year, like on the summer solstice, the longest day of the ...
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