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|Hindu scriptures and texts|
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Hindu scriptures are traditionally classified into two parts: śruti, meaning "what has been heard" (originally transmitted orally) and Smriti, meaning "what has been retained or remembered" (originally written, and attributed to individual authors). The Vedas are classified under śruti.
The following list provides a somewhat common set of reconstructed dates for the terminus ante quem of Hindu texts, by title and genre. It is notable that Hinduism largely followed an oral tradition to pass on knowledge, for which there is no record of historical dates. All dates here given ought to be regarded as roughly approximate, subject to further revision, and generally as relying for their validity on highly inferential methods and standards of evidence.
The early Upanishads were composed over 900 - 300 BCE.