A cooling of world climate, lasting several years and recorded in tree-rings all over the world, begins in the year 1627 BCE.

It might have been caused by the eruption of Thera in the Aegean or the Avellino eruption of Mount Vesuvius.

Sea level peaks at one meter above the twentieth-century level during the Rottnest transgression, beginning in 1600 BCE and lasting for six centuries.