Historical clue formulations

• "The rubber people," in Nahuatl — 2025-03-09
• Ancient Mexican civilization — 2025-02-20
• Ancient Mesoamerican civilization — 2023-02-19
• Ancient carver of stone heads in Mesoamerica — 2020-08-03
• Ancient Mexican — 2020-06-17
• Ancient Mexican — 2018-06-07
• Ancient carvers of giant stone heads — 2017-12-02
• Mexican civilization known for its colossal head sculptures — 2016-12-14
• Early Mexican — 2015-01-11
• Ancient Mexican — 2014-09-03
• Dweller in San Lorenzo Tenochtitlán — 2014-07-10
• Like some ancient Mexicans — 2014-06-27
• Ancient Mexican — 2013-09-08
• Ancient Mexican — 2012-02-23
• Early Mexican — 2009-06-03
• Ancient Mexican people — 2009-02-08
• Early Mexican — 2009-01-12
• Ancient Mexican people — 2008-02-03
• Ancient Mexican — 2005-10-02
• Ancient Mexican — 2005-09-11
• Ancient Mexican — 2002-06-18
• Early Mexican — 1995-02-21