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.
Như vậy, Si - ru băng hà vào năm thứ 30 đời ông trị vì, tức năm 530 TCN (Histories, quyển I, Clio, 214).