Family information unknown

General

Population: Perhaps 14 million*

• Language: Sumarian alphabet invented (3500 BC)
• Technology: Mesopotamians develop the wheel, clay pots (3500 BC)
  Sumerians use plows (3500 BC)

Africa

• Naqada culture begins (3500 BC)
  Drought and famine (3500 BC)
  Irrigation used (3500 BC)
  Papyrus developed (3500 BC)

Americas

• North America: Haida culture in NW Canada (3500 BC)
• South America: Llamas used, fishing villages, potatoes, cotton farming in Peru (3500 BC)
  Pottery in Ecuador (3500 BC)

Asia

• China: Pottery with geometric patterns found in Yang Shao (3500 BC)
• Thailand: Evidence of copper use (3500 BC)

Europe

• Britain: Chambered tombs and corpse exposure practiced in Britain (3500 BC)

Middle East

• Sumer: Sumerians develop tokens to signify merchandise - money-like (3500 BC)
  Sumerians invent a cuneiform alphabet and establish center of civilization (3500 BC)
• Ur: Ur founded (3500 BC)