|Segmentum=[[Ultima Segmentum]]{{Fn|1a}}

|Affiliation=[[Imperium]]{{Fn|1a}}

== History ==In 931.'''Gravalax''' is a minor [[M41Agri World]], in the [[TauDamocles Gulf]], who had established a trading mission on the planet, were making overtures to the region of space. It is an [[GovernorImperial]], and had become highly popular among the planet's citizenry. This led to what became known as the world surrounded by [[Gravalax IncidentTau]]-controlled space.{{Fn|1}}

 ==History==The [[T'au]] discovered Gravalax in [[837.M41]] and initiated diplomatic contact with the planet's government.{{Fn|1a}} By [[931.M41]], the Tau had established a trading mission on the planet, were making overtures to the [[Governor]], and had become highly popular among the planet's citizenry. This led to what became known as the [[Gravalax Incident]].{{Fn|1}} Although Gravalax itself was of no strategic value, the [[Imperium]] refused to allow the Tau to make any further inroads into Imperial territory. On the other hand, the Imperium was painfully aware that provoking open war with the Tau would waste military resources that were desperately needed in other theatres.{{Fn|1}}

==Notable Locations==*[[Mayoh]] - capital city.{{Fn|1b}} ==See also=====Related Articles===

*{{Endn|1}}: [[For the Emperor (Novel)]] — [[Ciaphas Cain: Hero of the Imperium (Omnibus)]] by [[Sandy Mitchell]]**{{Endn|1a}}: ''Editorial Note Between Chapters Two & Three'', pgs. 61-63**{{cite thisEndn|1b}}: Chapter Three