حدث سنة 4200 قبل الحاضر (Q549)

severe climatic event; defines the beginning of the Meghalayan age; started in ca. 2200 BCE; lasted the entire 22nd century BCE; related to the collapses of the Old Kingdom in Egypt, Akkadian Empire, Liangzhu culture, and Indus Valley Civilization ^{الإنجليزية}

اللغة	التسمية	الوصف	أسماء أخرى
العربية	حدث سنة 4200 قبل الحاضر	لا يوجد وصف
الإنجليزية	4.2 kiloyear event	severe climatic event; defines the beginning of the Meghalayan age; started in ca. 2200 BCE; lasted the entire 22nd century BCE; related to the collapses of the Old Kingdom in Egypt, Akkadian Empire, Liangzhu culture, and Indus Valley Civilization