The time from roughly 15,000 to 5,000 BC was a time of transition, and swift and extensive environmental change, as the planet was moving from an Ice age, towards an interstadial (warm period).
Sea levels rose dramatically (and are continuing to do so), land that was depressed by glaciers began lifting up again, forests and deserts expanded, and the climate gradually became more modern.
Beginning of the desertification of north Africa, which ultimately leads to the formation of the Sahara desert from land that was previously savannah, though it remains wetter than today.
It's possible this process pushed people in the area into migrating to the region of the Nile in the east, thereby laying the groundwork for the rise of Egyptian civilization. The hallmarks of Ancient Egypt (art, architecture, religion) all formed during this period.
Minoan civilization in the Mediterranean declines, but scholars are divided on the cause.
Possibly a volcanic eruption was the source of the catastrophe (see Minoan eruption).
The draining may have caused the 8.2 kiloyear event, 200 years later According to the Black Sea deluge theory, the Black Sea floods with salt water.
Possible association of this event with the Biblical deluge.
Sahara becomes fully desiccated, and conditions become largely identical to those of today.
Desiccation had been proceeding from 7500–6000 BC, as a result of the shift in the West African tropical monsoon belt southwards from the Sahel, and intensified by the 5.9 kiloyear event.
Suggested date for an asteroid or comet impact occurring between Africa and Antarctica, around the time of a solar eclipse on May 10, based on an analysis of flood stories.
Possibly causing the Burckle crater and Fenambosy Chevron.