Ashoka’s history can be described as written in stone due to the fact that he left behind extensive historical records of his rule through his rock edicts.
For further reading check the following articles:
|100 Differences Between Articles||UPSC Prelims|
|NCERT Medieval Indian History Notes UPSC||UPSC Questions|
|NCERT Ancient Indian History Notes UPSC||NCERT Modern Indian History Notes UPSC|