c. 5000 BC: Alleged archaeoastronomical stone megalith in Nabta Playa. c. 5000 BC: Badarian: furniture, tableware, models of rectangular houses, pots, dishes, cups, bowls, vases, figurines, combs c. 4400 BC: finely-woven linen fragment From 4th millennium BC, inventing has become prevalent c. 4000 BC: early Naqadan trade 4th millennium BC: Gerzean tomb-building, including underground rooms and burial of furniture and amulets 4th millennium BC: Cedar imported from Lebanon c. 3900 BC: An aridification event in the Sahara leads to human migration to the Nile Valley c. 3500 BC: Lapis lazuli imported from Badakshan and / or Mesopotamia c. 3500 BC: Senet, world's oldest (confirmed) board game c. 3500 BC: Faience, world's earliest-known glazed ceramic beads c. 3400 BC: Cosmetics, donkey domestication, (meteoric) iron works, mortar (masonry) c. 3300 BC: Double reed instruments and lyres (see Music of Egypt) c. 3100 BC: Pharaoh Narmer, or Menes, or possibly Hor-Aha unified Upper and Lower Egypt Relative chronology See also 5.9 kiloyear event Prehistoric North Africa Notes References External links Information about Ancient Egyptian History'': from This Is Egypt | Information about Ancient Egyptian History Ancient Egyptian History - A comprehensive and concise educational website focusing on the basic and the advanced in all aspects of Ancient Egypt Faium.com homepage Before the Pyramids: The Origins of Egyptian Civilization - Oriental Institute Egypt Egypt