Board Thread:The Panopticon/@comment-6032121-20190914173756/@comment-45437232-20200730225147

Maybe you're right that Evil should go before Day of the Daleks. I've always imagined that the Daleks' hatred for the human factor in Evil is what made them abandon their biological components, meaning that Evil would lead into Destiny of the Daleks. I don't think any official source supports that theory, though.

I believe the idea that Evil is after the IR civil war comes from the fact that it is often treated as the final end of the Daleks. I've even read theories about the Evil-emperor being Davros, following on from Terror Firma. Of course, that wouldn't work if Prime is that emperor.