Original: In Lima , Peru on 26 June 1541 '' a group of twenty heavily armed supporters of Diego Almagro II stormed Pizarro 's palace , assassinated him , and then forced the terrified city council to appoint young Almagro as the new governor of Peru '' , according to Burkholder and Johnson .
Simplified: However , Almagro had a son who swore revenge , and in 1541 , Pizarro was killed in his palace in Lima by a number of men following Diego Almagro the younger .