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In page Cherokee:

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Another major source of early cultural history comes from materials written in the 19th century by the didanvwisgi (ᏗᏓᏅᏫᏍᎩ), Cherokee medicine men, after Sequoyah's creation of the Cherokee syllabary in the 1820s. Initially only the didanvwisgi learned to write and read such materials, which were considered extremely powerful in a spiritual sense.[2] Later, the syllabary and writings were widely adopted by the Cherokee people.[citation needed]