Goblins showed up (7 squads or so), murder a handful of dwarfs (down to 111 from 117 or so), before i can force them into the burrow... raise the bridges, man the walls, exchange some fire with the gobots (115) - undead arrive and assault. Massive free-for-all outside my walls, 170 "others" on the map (default : 15 with 10 of those being prisoners), open the gates (one recuit-meatshield-squad holding each gate 3x) and sending out a elite troop with the handpicked best to assassinate the necromancers (2 of them). The elite troops succeed, but not fast enough... the gobos die, return as corpses, now its zombie town... the last gobos run offmap when my elite troop makes his way back to the fort - followed by 70 or so corpses while the rest linger around the map edges.
I had to close the gates again, as to many zeds where inbetween, with the recuits providing very inaccurate support fire and the elites holding there ground as the leaver was pulled once more. Thankfully some of my collapse-traps killed 20 zeds and stunned many for a few wonderful moments. The recuits move out, meeting with the elites and go forth to violently murder and cut down the remaining zeds... then during the "clean up" about 20 more dwarfs die as the zombies come back to life on the way to the magma-chute.
Edit1: Fort is now very slowly tantrum spiralling, trying to make a small castle of the old, to house both the last suriving one of the starting 7 and the remains of the elite troops (As well as the artifacts of our kind, so they may survive where the emotional peasants will not)
Edit2: 2end gobo army came far to soon, meeting it in open battle was a bad idea, too (but hey, killed the civ-leader).
Last two dwarfs left are in the hospital, holding there ground (The last of the first 7 ironically) and a child born during the tantrum spiral, holding on to his cloak.
He just passed out. To bad, i wanted to free the forgotten beasts so they may fix things...