10187 AG


 * Leto Atreides’s weaponsmasters train a small, Sardaukar-level force. This makes the Emperor feel threatened.
 * House Moritani visits Ecaz. Wolfram Moritani contracts an illness and disorder that causes him to physically waste away. The only cure for the ailment is esoit-poay, which is only found on Ecaz. When Wolfram dies from the disorder, his grieving father Hundro vows revenge on the enemy house, by assassinating Aermand and Ilesca Ecaz.
 * Duke Prad Vidal of Elacca launches an attack using blades from the potted plants at the wedding of Leto Atreides I and Ilesa Ecaz. They are defended by Rivvy Dinari, who sacrifices himself, and Whitmore Blud. Armand loses an arm and Ilesa bleeds to death. Moments after this tragedy, a holographic message of Viscount Hundro Moritani rings throughout the hall, claiming responsibility and thus starting the War of Assassins of 10,187 AG.
 * House Atreides allis with House Ecaz, and House Moritani with House Harkonnen.
 * Leto I and Duncan Idaho asassinate upstrat Duke Prad Vidal.
 * Lady Helena Atreides, the Sisters in Isolation and Swain Gore are killed by the Moritanis.
 * House Moritani is decimated and destroyed in the Battle of Grumman.