People read Shahname[1] regularly in Iran, and it was written at around 1000 CE, but there isn't much before 900 CE that is comprehensible to a modern day Persian speaker.
The Shahnameh is a long epic poem written by the Persian poet Ferdowsi between c. 977 and 1010 CE and is the national epic of Greater Iran. Shahnameh is one of the world's longest epic poems, and the longest epic poem created by a single author.
[1] https://en.wikipedia.org/wiki/Shahnameh
The Shahnameh is a long epic poem written by the Persian poet Ferdowsi between c. 977 and 1010 CE and is the national epic of Greater Iran. Shahnameh is one of the world's longest epic poems, and the longest epic poem created by a single author.