My characters are aging well--too well...

[TheLastPrivate]

you can use programs like medmanager to change timescale mid-game as well. But if you do so the Mongols and Timurs become meaningless (by the time they arrive, whoever is there has full defense ready) and gunpowder will take ages.

[Zajuts149]

Of course, you'll have to mod the turn arrival of dated ancillaries, as they are based on turns, not on dates. By changing the game from 2-year turns to halfyear turns, you'll have to quadruple the turn numbers in the triggers for historic ancillaries

[Kobal2fr]

You might also want to try Lusted's Lands to Conquer mod. It features both a slower gameplay (IIRC it's one or 1.5 year per turn) and Eras campaigns. There are lots of other tweaks and changes in it, so you may or may not be hooked on it as I am, but it's the only mod I know that does the Era thing. Now, if someone out there could whip out some Great Achievements...*drool*