In the calendar, the 7th of Ābān (October 29th) is marked as Cyrus the Great Day to honor the achievements and legacy of this great Iranian king who founded the Achaemenid dynasty in the 6th century BC.
In both Iranian and non-Iranian sources, this iconic king is viewed as a just ruler.

Image attribution: Bernd81, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons