Isstvan V

planet · dead world · Ultima Segmentum
rank I
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Record by era

This archive tracks four layers. A record present in 3 of them (HH, M41, IND) is silent in the rest, and says so.

The Horus HeresyM30–M31
chaos
Site of the Isstvan atrocities

The Drop Site Massacre. Seven legions landed to bring the Warmaster to heel and four of them changed sides on the ground; the Urgall Depression is where the loyalist Legions died.

Age of the ImperiumM32–M40
[RECORD LOST]
No record for this location in Age of the Imperium.
The 41st Millenniumpre-Rift
none
Dead world; interdicted

Uninhabited and shunned. Twelve billion people lived here before the Heresy.

Era Indomituspost-Rift
noneImperium Sanctus
Dead world; interdicted

Nothing has changed and nothing is likely to.

Position

Map frame: 640, 440 in the archive's 0–1000 disk space (core at 500, 500).
Distance from the core: 152 units ≈ 16.2k light years, north-east of the galactic core.
Height above the disk plane: 3.7 units — invented thin-disk jitter, deterministic per record. No published source gives any location a z coordinate.
System: Isstvan System — also here: Isstvan III

Books set here

16 titles in the reading tracker touch this record, 6 of them as a primary location. Titles link out to the tracker.

Provenance

Every fact in this record, and where it came from. Editorial derivations say so.