Here is an Rough Scenario for an future Timeline I am thinking about writing. Let me know how it is and any suggestons are welcomed
c.a.40,000 BCE: Ug, a Neanderthal living in the Middle East (where cultivable grains and domesticable animals are known to have existed from earliest times), in response to competition from Homo Sapiens, has the idea to begin farming growing wheat and barley in the Tigris-Euphrates valley...rather than competing directly with the newcomers for the same hunting grounds. Other Neanderthals, seeing the success of Ug's band, follow suit. Removed from direct competition for the same resources, the Neanderthals in the Mid-East survive and prosper, while those in Europe die out, on schedule. Eventually, for protection from raiding Homo Sapiens nomads, they begin to build fortified villages, and start down the long road to civilization. By 20,000 B.C.E. they have invented the wheel, pottery, and writing, and moved from primitive tribal village culture to the first true cities.
c.a. 35,000 BCE: The Ug Neanderthal bands begin domesticating the Animals of the Middle East, (Bovides, and fresh water fish). They also begin setting up fortified villiages.
c.a. 30,000 BCE: the Wheel is invented. Village societies are combining into larger units.
c.a. 20,000 BCE: The first true city states develop. Writing is developed. Metallurgy...copper and bronze...begins to replace stone for tool-making. God-Kings rule over well-organized societies and are able to marshal labor for huge public works projects...for example, dams are built on some of the Desert Oasis and portions of the the Mid East are irrigated. Neanderthal population expands as more arable land is made available. Organized warfare first makes it's appearance shortly afterward.
13,000 BCE: Homo floresiensis - a tiny hobbit-like human appears on the Indoneasian Island of Flores. Descendant of Homo Erectus, Although small It's Cranial structure blessess the "Hobbits' with Intellect similar to that of Homo Sapiens and makes an far superior Tool Kit compared to the Neanderthals. These Hobbit's begin to organize into Larger bands-and proto Tribal Groups.
c.a. 10,000 BCE: Along with the Homo Sapiens, and small group of Gigantopithecus blacki cross the Siberan land Bridge into North America. While most of the Homo Sapien Tribes revert to an Hunt and Gatherer lifestyle. The Gigantopithecus stays stationary in OTL British Columbia,Alberta, Washington and Oregon. Theses Humaniods will be what most natives call Sasquatch. Also about this time, The first large states have formed as conquering armies unite the various city states of Australia. Shipbuilding has progressed and regular coastal trade (and early naval warfare) is being carried on between these states. Also about this Time the first complex comunities begin popping up in the Iberian Pennisula
c.a. 8,000 BCE: Competition between the Sasquatch's and the American Indians causes the Sasquatches to develop eye-hand coordination, visual perception, and other such traits reaching the stage of Giganthropithecus Sapiens. The new species is using fire, and producing tools out of wood and stone, and is developing a spoken language. Also about this time, writing and Metalurgy is discovered by the Hobbits.
c.a. 5,000 BCE: Several species of megafauna which went extinct in OTL have been domesticated...the most important of which are several species of Horses and Bovides, which are used both as food and as beasts of burden...and crops are being regularly grown and stored. Pottery and basketry have been developed. One industry which has lagged behind is weaving...since the Sasquatch still retain their body hair, they have little need for clothing. Individual communities sometimes carry out joint public works projects (digging irrigation systems, raising stone megalithic monuments to their gods, etc.) with other communities.
c.a. 3,000 BCE: The First true Homo Sapien Cities arise on the Rhine Valley and Crete of Europe, and on the Nile river of Africa. Also about this time the Hobbits, begin building crude boats spreading their species througoht Indonesian Archeplioa by the end of the milenica.
c.a. 2,000 BCE: The Sasquatch due to increasing hostilies from the Clovis point hunters, begin enslaving humans for their extreme building projects. Also about this time, The Neanderthal civilazation in the Middle east is orgainized into four portions. In Mesopatamia, Anatolia, the Iranian Plateau, and Arabia. The four states will be almost at constant war with each other or will some time find allainces between one another against the invading Egyptians who hunger for Palestine.