Horus Heresy · atlas

World · Segmentum Solar

Nikaea

Fig. 1 · Location on the map

Nikaea is a recently discovered frontier world of the Segmentum Solar, terraformed by the Mechanicum for the Council of Nikaea (c. 001.M31), at which the Nikaean Edict against the Librarians was handed down.

Category
World
Location
Segmentum Solar
Significance on the map
4 of 5
Place confidence
Place reliable
Events
1 event

Place on the map

Grounds for placing the system exactly here on the map:

  • «Nikaea — a newly-discovered Frontier World in Segmentum Solar» — Atlas compilation · source check 2026

Events in the system

Legions

Legions named in the system’s events:

Factions

Named among the sides of the system’s events:

Characters

Linked to the system’s events:

Sources

  1. WH40k Fandom: Nikaea
  2. Lexicanum: Council of Nikaea
  3. Atlas compilation · source check 2026
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