Crap.
1580 - Every time I take Moscow, I keep thinking "We need only kick the door down and the whole rotten building will collapse", but Russia is amazingly stable. This will be another very, very long war. I also have four vassal states now (England, Portugal, Netherlands, and Mali), which will be great when I'm ready to switch to Viceroyalty.
1600 - Damn, Mali just collapsed for some reason
, and there's a plague in Peru that should be spreading to Spain (Peru's master) any turn now. Well, at least I knocked out Russia's second capital.
1620 - The plague in Peru stopped without spreading anywhere, I'm 200 points ahead of my nearest rival, and I just razed Russian capital #3. They're willing to trade peace for Aesthetics. Too bad for them that they're about to collapse anyway.
1625 - Yup, they collapsed. This time, we were only at war for 75 years. I wonder... can I perform espionage and sabotage missions against my own vassals? Maybe I can collapse England that way...
1630 - The Vikings want to peacevassal to me. Seriously, WTF? Why do all of my enemies want to be my buddies?