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38th century BC - Wikipedia, the free encyclopedia (93 words) |
 | (39th century BC - 38th century BC - 37th century BC - other centuries) |
| (5th millennium BC - 4th millennium BC - 3rd millennium BC) |
| October 7, 3761 BC - The epoch (origin) of the modern Hebrew calendar. |
| TIMELINE 4th MILLENIUM B.C. page of ULTIMATE SCIENCE FICTION WEB GUIDE (6353 words) |
| Stanford "3000 BC" notes 3500 BC: Mesopotamia; Tigris and Euphrates alluvial plain At about 3500 BC the lower Tigris and Euphrates alluvial plain was under extreme pressure from both rapidly rising sea and buildup of the Karun delta. |
| Stanford "3000 BC" notes 3500 BC: Global; Holocene delta development worldwide The sequence of Holocene delta development worldwide is indicated as beginning at 6000 BC; by 3000 BC a transgressive sequence of deltaic deposits had developed as shown on the figure. |
| The 3199 BC value is associated with an acidity peak in Camp Century ice cores dated at 3150 BC demonstrating unquestionably that adverse weather conditions, probably due either to volcanic eruption or meteoric impact, occurred at this time. |
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