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| 2537932002 | first cities | period 1-beginning-4000 bce | 0 | |
| 2537932003 | beginning of Chinese dynastic rule | period 1-middle-2200 bce | 1 | |
| 2537932004 | establishment of greek poleis | period 1-end-800 bce | 2 | |
| 2537932005 | pax Romana | period 2-beginning-20 bce | 3 | |
| 2537932006 | Han dynasty | period 2-middle-206bce | 4 | |
| 2537932007 | fall of western roman empire | period 2-end-476 ce | 5 | |
| 2537932008 | schism between the eastern and western Christian churches | period 3-beginning-1054 | 6 | |
| 2537932009 | empire of mali | period 3-middle-13th century | 7 | |
| 2537932010 | beginning of bubonic plague in china | period 3-end-1330s | 8 | |
| 2537932011 | fall of eastern Roman Empire | period 4-beginning-1453 | 9 | |
| 2537932012 | Spanish conquest of mexico | period 4-middle-1519 | 10 | |
| 2537932013 | reign of Louis XIV | period 4-end-1643➡️1715 | 11 | |
| 2537932014 | end of the British slave trade | period 5-beginning-1807 | 12 | |
| 2537932015 | communist manifesto | period 5-middle-1848 | 13 | |
| 2537932016 | opening of the suez canal | period 5-end-1869 | 14 | |
| 2537932017 | treaty of Versailles | period 6-beginning-1919 | 15 | |
| 2537932018 | Marshall plan | period 6-middle-1948 | 16 | |
| 2537932019 | end of cold war | period 6-end-1991 | 17 |
