- ... that K'inich Yat Ahk II (name glyph pictured), the last ruler of Piedras Negras, defeated the rival state of Pomona before his capture by K'inich Tatbu Skull IV of Yaxchilan?
- ... that the Classic period Maya city of Punta de Chimino was one of the last cities to survive the political collapse of the Petexbatún region of Guatemala?
- ... that the Maya archaeological site of Tres Islas in Guatemala has an alignment of monuments that imitates an architectural group at Uaxactun that served as an astronomical observatory?