Family information unknown

General

Population: Perhaps 27 million*

• Technology: Sumerians invent the sickle (2800 BC)

Africa

• Egypt: Old kingdom in Egypt covers 3rd and 4th dynasties (2800 BC)

Americas

• North America: "methuselah" the bristlecone pine tree sprouts in future California (2836 BC)

Europe

• Britain: The Beaker people haul and erect the bluestones for Stonehenge (2850 BC)
  Possible start of Stonehenge (2800 BC)