551 BCESourced entries for 551 BCE.In the 550s BC, the 6th century BC.BirthsSeptember 28 – Confucius, Chinese philosopher (died 479 BC)sourceDeathsZoroaster, Persian religious prophet (approximate date)sourceNearby← 550 BCE552 BCE →551 BCE–542 BCE543 BCE544 BCE545 BCE546 BCE547 BCE548 BCE549 BCE550 BCE551 BCEDays named on this pageSeptember 28