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El Manatí sacrificial offerings and ritual deposits (c. 1600–900 BCE)

1700 BCE - 1989

Decipherment of Maya hieroglyphs (19th–21st centuries)

1832 - 2025

Copán Royal Dynasty (c. 426–820 CE)

426 - 822

Classic Maya Collapse — Southern Lowlands (c. 750–950 CE)

732 - 910

Chichén Itzá's ascendancy and civic transformation (c. 900–1200 CE)

900 - 1841

Cascajal Block and claims of early Olmec writing (c. 1200–900 BCE and modern discovery timeline)

1200 - 2020

Bonampak murals: creation, discovery, and study (creation c. 790 CE; discovery & research 1946–1980s)

789 - 1996

Basalt quarrying and transport for Olmec monuments (Tuxtla region to sites) (c. 1400–400 BCE)

400 - 1946

Archaeological excavations and research history of Olmec sites (late 19th century–present)

1862 - 2002

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