claim: Nero's death sparked a brief period of civil wars.
evidence: Reuben LaVell Edwards -LRB- October 11 , 1930 -- December 29 , 2016 -RRB- was an American football head coach for Brigham Young University -LRB- BYU -RRB- .. BYU. BYU Cougars football. American football. American football. Brigham Young University. Brigham Young University. With 257 career victories , he ranked as one of the most successful college football coaches of all time .. Among his many notable accomplishments , Edwards guided BYU to a national championship in 1984 and coached Heisman Trophy winner Ty Detmer in 1990 .. BYU. BYU Cougars football. national championship. College football national championships in NCAA Division I FBS. Heisman Trophy. Heisman Trophy. Ty Detmer. Ty Detmer. Edwards played football for Utah State University and earned a master 's degree at the University of Utah prior to coaching at BYU .. Utah State. Utah State Aggies football. BYU. BYU Cougars football. Utah State University. Utah State University. University of Utah. University of Utah