Huns get slaughtered by the chinese in the second century.
4th century: Rome splits into various smaller nations, christianised barbarians in europe form proto-roman states.
5th century:Sassanid states threaten christian world, states lump toghether after intermittant border wars and fight back against Sassanids.
6th century: Innovations in warfare, early canons invented. Sassanids finally destroyed in final crusade. Divided romanified cities states in middle east, contact with Indian subcontinent. Revival of classic greek culture, greek/turkish states constitutional monarchy. Olympics restarted. Road building knowledge spreads to Scandanavia, India.
7th century: Silk Road from europe to india mostly real roman-style road. Compass discovered, Irish colonise Iceland and Greenland. Morroco trades with west africa via sea. Printing press arives from China too europe.
8th century: Eygptians/Indian nations taking trading posts across Indonesia, Australia, East Africa. North europe explores/half-heartedly trades with N.America. Selective breeding of animals takes off. Morrocans circumnavigate Africa, discover S.America trade with Mayans.
9th century: Mayan/Morrocans explore West coast of america, Morrocans chart S.America. European settlers across eastern N.America. Scientific method/ideology developed. Nazca balloons found, spread across Eurasia.
10th century: Train developed leads to industrial revolution which spreads from europe to asia. Brazil/N.America/S.Africa colonized. Indian nation defeats China, burning Beijing.
11th century: China deposes Emperor becomes communist. Catch up Industrial revolution.
12th century: India-China rivalry leads to cold war. Chinese develop nukes.
Indian cities nuked after border war.
13th century: Italy develops computer, information revolution; ICBMs result in China-Europe cold war.