Little backstory first:
I wanted to try a fort whose entire population was created directly from the starting seven.
I also wanted this to go a bit faster, so I removed the children tag, and the multiple-birth-is-rare tag.
I also removed migrants, or so I thought.
In return, I reduced a dwarfs life expectancy to 2 - 4 years, genned and embarked.
The year was 105.
I took inspirations from the caves kobolds live in, and "planned" the fort from that design.
However, 2 - 4 years proved to be too little for the dwarves, the starting 7 never managed to reproduce, even though 6 of them married each other.
Second time, I reclaimed upon the first fort, and had the modifed the raws to give the dwarves a lifetime of 4 - 9 years.
The year was 108.
I went to bed yesterday with Dtil unpausing it the entire night, at 2219.
Today I get up to a message informing me of the fortress' withering awayness.
Dtil tells me the last unpause was at 0345, (This was at 0600~) the fort lasted until year 120.
4 artifacts was created from 116 - 118.
I reclaim again, the year is 121.
51 dwarf skulls on embark, not bad I think.
I feel ill, so I go to bed again, leaving it genning.
I get up again at 1446, to meet 72 dwarves, all legendary in hanging out, with 50 of them being peasants, rest being migrants for some reason.
The year is 131, there's 5 artifacts, and a lot of the dwarves got grandmothers, uncles etc., just like a king!
Around year 132 the population have peaked at 120 - 130, with a 1/3 of the fort being babies (They're babies for one year before growing up to be a
productive member of society peasant).
The food production begins to falter, since the entire fort and it's limited industry was made for 20 or so dwarves.
The tantrums begin slowly, dwarves being hungry, then angry when their parents die.
Everyone in the fort was either related, or friends, due to a 2x3 dining room, to promote breeding.
This was going to be glorious.The mothers die due to old age, the fort reaching an age where the first babies are just too old, the babies, often triplets, plunge themselves into the well.
The miasma rises, further enraging the dwarf population, tired of being hungry and electing mayors who often die of old age before finishing their terms.
The riots start, dwarves plunge into each other, the larger dining room I made was a battlefield consisting of toppled over tables, bedrooms are being ripped apart by their owners and the ponds are tainted by the rotting corpses of the orphans.
Forward to Mid-winter 133, maybe 1½ year after the first dwarves went hungry, theres
2 0 (The engraver killed the remaining sane dwarf) dwarves left.
And now for some pictures, unfourtantly I got none of the tantrum going on, but I think you'll get the picture...
MAP