Mapgame By Uchronia 4100 BCE birth of the Japanese tribal society Period: 4100 BCE to 3000 BCE Birth of civilizations 4090 BCE birth of the Rhodesian tribal society 4085 BCE birth of the Bulgarian tribal society 4080 BCE birth of the Dacian tribal society 4060 BCE birth of the Athenian tribal society 4054 BCE birth of the Shanxi tribal society 4051 BCE birth of the Macedonian tribal society 4045 BCE birth of Persian tribal society 4040 BCE birth of the new york tribal society 4020 BCE birth of Indian tribal society 4000 BCE birth of the Hyperborean tribal society 4000 BCE birth of the Floridian tribal society 4000 BCE Shanxi invents carpentry 4000 BCE Shanxi creates the mandate of heaven 4000 BCE Birth of the Romanian tribal society 3995 BCE dacia creating irrigation 3995 BCE Dacia becomes a monarchy 3990 BCE Birth of the roman tribal Society 3850 BCE India creates the baked brick 3800 BCE Birth of the Swiss Tribal Society 3800 BCE Hyperborea invents horse riding 3800 BCE Hyperborea invents the canals 3780 BCE India fortifies its cities 3780 BCE India invents pottery 3780 BCE India creates writing 3730 BCE Dacia discovers copper work 3730 BCE Dacians believe in Zalmoxis 3650 BCE Rome creates animal husbandry 3650 BCE Rome becomes a republic 3570 BCE Athens builds an Acropolis 3550 BCE Shanxi invents navigation 3500 BCE Romans believe in the Latin gods 3470 BCE Macedonia becomes a monarchy 3465 BCE Rhodesia creates silver money 3420 BCE Romanians believe in orthodoxy