apr 7, 9223 BC - References https://www.khanacademy.org /humanities/ancient-art-civilizations/ ancient-near-east1/assyrian/v/lamassu https://www.khanacademy.org /humanities/ancient-art- civilizations/ancient- near-east1/sumerian/a/ white-temple-and-ziggurat-uruk https://www.khanacademy.org /humanities/ancient-art- civilizations/egypt-art/pr edynastic-old-kingdom/a/king- menkaure-mycerinus -and-queen (Timeline)