1620s BC

Decade The 1620s BC was a decade lasting from January 1, 1629, BC to December 31, 1620, BC. 162 Events and trends 1627 BC—Beginning of a period of cooling of the world climate lasting several years, recorded in tree-rings all over the world.LaMarche, Valmore C. Jr. Hirschboeck, Katherine K. 1984 Frost rings in trees as records of major volcanic eruptions Nature 307 121–126 10.1038/307121a0 5947 4370382 Various volcanic eruptions have been suggested for the cause of this climatic event; the Minoan eruption of Thera,Baillie, M. G. L. Munro, M. A. R. 1988 Irish tree rings, Santorini and volcanic dust veils Nature 332 344–346 10.1038/332344a0 6162 4286911 the Avellino eruption of Mount Vesuvius, Vogel 1990 Vesuvius/Avellino, one possible source of seventeenth century BC climatic disturbances Nature 344 534–537 10.1038/344534a0 6266 J. S. 2 Nelson D. E. Southon J. R. 4368499 or the eruption of Mount Aniakchak. McAneney, J. Baillie, M.G.L. amp 2019 Absolute tree-ring dates for the Late Bronze Age eruptions of Aniakchak and Thera in light of a proposed revision of ice-core chronologies Antiquity 93 367 10.15184/aqy.2018.165 99–112 free 1625 BC—Samsu-Ditana becomes King of Babylon (middle chronology). 1621 BC—Lullaia becomes the King of Assyria. 1620 BC—Mursili I becomes King of the Hittite Empire (middle chronology). Significant people June 2026 References