Well, mine was probably the Ordo/White Rose war.
At the time, I was the founder/leader of White Rose, which was a tiny semi-pro-sansha corp (OOCly, less actually involved with Nation than, say, Naqam), and I was friends with Deckhard Aura.
Deckhard Aura was an Amarrian loyalist at the time, but had taken a dislike to another Amarrian loyalist, Hitome Kei. He wanted her assassinated, and her corpse. I was amenable, as I already had an enemy in another Amarrian organization, CVA, whose space I considered a prime raiding spot for my solo or duo cruiser suicide roams.
So, under the cover of a Sansha/Amarr disagreement, I declared war on the Ordo. The losses on both sides were fairly balanced, which I consider pretty cool, considering that White Rose was outnumbered about 15 to 1. Even better, by refusing to deny that a certain Pezzle was instigator of the war, I was able to fool Hitome and the rest of the Ordo into believing that CVA, in the person of Pezzle, had paid me to war-dec The Ordo. I did this without telling a single untruth.
This was also the same war in which I auctioned off another corpse for forty million ISK, contributed to Ruby Amatucci's Tomorrowland Orphanage.
About a week or two in, I finally achieved my goal. After a day or two of camping and skirmishes, I undocked my faithful Abaddon in Ashab (IIRC), and warped to the Ordo's favorite station. There, I discovered Hitome undocking. Slowly, my Abaddon locked, and I blew her ship into Amarrian paradise. Then, once again, slowly locking the pod, and...pop. Corpse acquired, I quickly made off with my prize, which was contracted to Deckhard post-haste.
It's no tale on the level of Istvaan's exploits, but it was insanely fun nonetheless.
The other epic thing, although perhaps not RP, was when I, along with some others in Liandri, accidentally started the Asakai fight.