Well as I was searching for more info I found some new contradictions on BattleTechWiki. Apparently there is a Battlecorps story entitled Broken Blade. Set in 2787 the Draconis Combine launches a major assault (Operation Broken Blade) on Hesperus II in an attempt to destroy the Lyran Commonwealth's ability to manufacture war materials. Cool got no problem with that - all canon but here are the units involved.
* 18th Algedi Regulars
* 5th Sword of Light
* 8th Sword of Light
Now the Algedi Regulars have a bunch of implications the most obvious being that it was the fifth district during the Star League era which kills my whole idea.
![Huh ???](https://obtforum.com/forum/Smileys/default/huh.gif)
Thoughts!
Regarding the Algedi Regulars I can think of several possibilities.
The first one would be that Algedi was something of a placeholder District-Capital and never meant to be the permanent capital for all times. This way there can still be two DCMS strike forces competing to conquer a new district capital.
Or keep Algedi as the district capital and just make the commanders of the two DCMS strike forces compete for the honor to become the new warlord of the Algedi district. Whoever captures his assigned target first becomes the new warlord of the Algedi district.
(And for Dieron becoming the district capital in the canon setting->it was arrogance that made Minoru Kurita turn Dieron into a military district capital as he liked the idea that an important Star League base was now a premier world of his realm, this
after the Combine forces seized the planet and discovered that the planet had suffered severely during Operation Liberation and that the Star League Regular Army had stripped the few intact buildings of everything useful, per page 188 House Kurita Sourcebook).
My original theory that there was no Fifth District until the Succession War. Didn't think there was enough of the "Algedi District" and that its worlds would be part of the Benjamin District. It was a possibility that TPTB would establish a Fifth District. I even thought that Dieron could have been a District seat after the establishment of the Star League if the Hegemony was kind enough to share the world.
Well the comaparatively small size of the "Algedi District", if you want to implement it, might be explained by its unique astrographic position, bordering not one or two but three(!) (hostile) neighbours. Furthermore you could say that this District was from its creation on intended to be expanded through conquest.
Just some thoughts.
Ciao
Hessian