Either I've finally seen somthing that was possible all along in DL or there's something funky about the Drengin on very large maps.
My current game is 1A, gigantic, abundant planets, abundant habitable, common stars, on Tough AI. I've got Super Hive and have been very dominant for the last couple of years, roughly 2227-2229.
The galaxy has been at peace the whole time so far as I could tell (didn't get contact with all 9 rivals for quite a while). Terrans were #2 & a while back they accepted my offer of alliance.
Two or three turns ago, the Terrans declared war on the Drengin. The next turn the *Drengin* surrendered to the *Terrans*!

?!?