Family information unknown

General

Population: Perhaps 27 million*

• Chronology: Probably date of Egyptian calendar - based on cycle of Sothis (Sirius) (2781 BC)
  Egyptian calendar lengthened to 365 days (2776 BC)
• Government: Secular rulers become more important (2750 BC)
• Medicine: First use of acupuncture (2700 BC)

Africa

• Egypt: Zoser rules Egypt - physician Imhotep designs pyramid (2780 BC)
  First step pyramid built (2780 BC)
  End of Archaic period and start of Old Kingdom (2770 BC)
  Start of 3rd Dynasty (2700 BC)
  Khufu (Cheops) rules and commissions pyramid (2700 BC)
  Egyptians begin building pyramids (2700 BC)

Americas

• General: Maize domesticated in Mesoamerica (2700 BC)

Asia

• China: Firs use of acupuncture by Empero Shen-Nung (2700 BC)

Europe

• Britain: Building of Stonehenge starts (2700 BC)

Middle East

• Mesopotamia: First standardization of measurements (2700 BC)
• Turkey: City of Troy founded (2700 BC)
• Uruk Sumeria: King Gilgamesh reigns over Uruk and Samaria (2750 BC)