Timeline v2:
2000/2100: Diamond Age:
Nanotech revolution, interstellar exploration (Not colonization), expansion into interplanetary space.
2100/2500: Golden Age:
Economic growth thanks to nanotech and biotech, transhumanism, creation of human-derived posthumans (But no posthuman AI), posthuman-ruled Great Houses form.
Spacecraft, built out of dirt and rock turned to mechanosynthetized carbon compounds, leave the solar system and form minor outposts.
2500/3400: Interstellar Age:
Expansion into interstellar space by the Houses, wars on the Solar System. Expansionists find previously-established outposts, war. War between interstellar colonies.
3400/3500: The First Great War:
Large-scale war between the Great Houses, most of the Solar System left uninhabitable.
3500/Deep Time: The Long Years:
Expansion into galactic space, civilizations are created and collapse, most cultures remain in their home system due to the island nature of every star, and due to the problems involved in carrying entire armadas over interstellar space, interstellar war is not common.