May 09 Magnus VI Lagaboeter, King of Norway (1263-80), dies at 42 in the year 1280.
Aug 22 In the year 1280 nicholas III, [Giovanni Gaetano Orsini], Italian Pope (1277-80), dies
Nov 15 In the year 1280 albertus Magnus the Great, German leader/bishop Regensburg, dies at 87
Important Dates And Events In History - Hisdates.Com