@IceCubeSoup @everlastingrocks that's how I do my diaries in Zim Desktop Wiki actually. Almost everything in the diary worth saving us a child of "Activity". When Activity gets too big I carve off anything not edited in the past year and dump it in "$context Archive Notebook" (Work|Personal|etc.), without any re-organization.
@everlastingrocks @progo
Yeah, this is the way. So long as none of your previous passwords were especially weak, or found in the typical rainbow tables, just migrate across bit by bit over time to a new KeePass database, or whichever password manager you choose. Or do nothing.
Reason: your new password database will again someday be a cluttered mess; that's just the natural state of these things.