How could Mary, Queen of Scots, be executed as a traitor to England when she was a sovereign of another independent kingdom? stevenattewell Uncategorized September 12, 2018 1 Minute Because she was in exile in England and, on paper, attempted to overthrow the government of England. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related Published by stevenattewell View all posts by stevenattewell Published September 12, 2018