I noticed a few incorrect things...
Space Puppies and Dark Angels arived *after* Horus was defeated.
The Thousands Sons, were not at the siege of the Emperor's Castle.
None of the Heretic Primarchs were daemon princes at the time of the siege.
Space Puppies and Dark Angels arived *after* Horus was defeated.
The Thousands Sons, were not at the siege of the Emperor's Castle.
None of the Heretic Primarchs were daemon princes at the time of the siege.
