The Greek historian Herodotus (c. 485 - 425 B.C.E.) stated that Cyrus was killed “after he had reigned twenty - nine years, ” which would put his death during his 30th year, in 530 B.C.E.
Kreeka ajaloolane Herodotos (u 485 – 425 e.m.a) märkis, et Kyros tapeti „pärast seda, kui ta oli valitsenud 29 aastat ”, mis tähendab, et ta suri oma 30. valitsusaastal ehk aastal 530 e.m.a („ Historia ”, I raamat, Clio, 214).