The 1020s BC is a decade which lasted from 1029 BC to 1020 BC. Events and trends 1027 BC — Traditional date for the end of the Shang Dynasty in China, and the beginning of the Zhou Dynasty. 1026 BC — Saul the King becomes the first king of the Israelites. c. 1025 BC — Collapse of Mycenaean dominance ends. c. 1020 BC — destruction of Troy. Births 1027 BC - Zhao of Zhou