Sekigahara civil war

The civil war was a conflict between the warrior clans of Sekighara, a planet in the Inner Rim Territories, that lasted several centuries. Over the years, the most powerful clans joined two sides, the Hyogo Shogunate and Isuzu Shogunate. In the final year of the war, the Confederacy of Independent Systems and Galactic Republic interfered due to the planet's strategic importance. The Battle of Sekigahara became the climax, resulting in an Isuzu victory.

Early war
The histories and chronicles of Sekigahara reveal that warfare between the warrior clans had been occurring as far as recording of the planet's history had begun. Later finds and studies suggested that a more advanced planetary kingdom had existed and had broken into civil war after a natural disaster of some kind. It dragged on for centuries, with the most powerful clans joining the Isuzu or Hyogo shogunates.