980s BCThe 980s BC is a decade that lasted from 989 BC to 980 BC.Events and trends 984 BC—Osorkon the Elder succeeds Amenemope as king of Egypt. 982 BC—The end of first period by Sau Yung's concept of the I Ching and history. c.980 BC—The kingdom of Dʿmt is founded in Eritrea and northern Ethiopia.