This may be two questions that are closely related. Would engaging in war with 'Amalek without a specific command (a la Shaul) be a Milhemeth Mitzvah or Milhemeth Reshuth? Is killing all of 'Amalek ...
As recorded in I Sh'muel (chapter 15), Shaul, the king, was told by the prophet to destroy the nation of Amalek from man to woman, youngster to suckling, ox to sheep, camel to donkey. So he ...
In Shmuel Alef chapter 15 Shaul HaMelech (King Saul) loses his kingship because in his battle against Amalek he failed to kill King Agag and saved livestock to offer as sacrifices. Later we find ...