Stone age:
Svarog, the good god of agriculture and knowledge walks amongst humans and gives agriculture and knowledge to them, leading to transfer from hunter-gatherer society to agricultural society.
The Black Serpent sends his demons to enslave humans, setting humans against each other. War between demons and the angels of Svarog. The angels give humans copper weapons to defend against the creatures of the Black Serpent
Bronze age:
The first cities are formed. Svarog, the Black Serpent, demons and angels are away from this world. Worship of Svarog is widespread. Cults of Svarog and cults of the Black Serpent gain spells through rituals.
Gradoslavl and Drevnedub are founded. First emergence of feudalism with household guard and kniaz
Wars with Frakia and Vesans.
War with the Black Magi, cultists of the Black Serpent that had vampire powers and knowledge of making iron.
Bogatyrs defend the people even though they are the household guard of various kniazi
Iron age:
Black Magi are defeated, their territory, as well as the other provinces made into Triman
Good tsars make liberal laws and give rights to the lower classes. Constitutional monarchy rather than village councils. Some wars with Frakians and Tulgarians
Bogatyrs are replaced by knights, except in Drevnedub
Golden age of science and knowledge, led by Kardomirian scholars
Medieval period:
Civil wars for the throne. Weak tsars trying to strengthen their position with oppressive laws. Attempts by the tsars to gain control over the church.
Persecution of the church and beggar knights by the tsar and the nobles. Loss of the rights of commoners