Timeline of Environmental History - 8th Millennium BC

8th Millennium BC

Year(s) Event(s)
Start End
c. 7900 BC c. 7700 BC Lake Agassiz refills from glacial melt-water around 7900 BC as Glaciers retreat north
c. 7640 BC Date theorized for impact of Tollmann's hypothetical bolide with Earth and associated global cataclysm.
c. 7500 BC
  • Mesolithic hunters reach Ireland
  • 9,500 year old Norway spruce - Picea abies clonal colony named "Old Tjikko" germinates in Sweden.
7500-7000 BC 3500-3000 BC Neolithic Subpluvial begins in northern Africa, Mesolithic period ends. Until about 5000 BC, the Sahara desert is substantially wetter than today, comparable to a savannah.

Read more about this topic:  Timeline Of Environmental History

Famous quotes containing the word millennium:

    “The millennium will not come as soon as women vote, but it will not come until they do vote.”
    —Anna Howard Shaw (1847–1919)