Mandate of Heaven vs jus divinum

Mandate of Heaven

noun
  • Any such mandate or blessing. 

  • The Chinese philosophical concept of the circumstances under which a ruler is allowed to rule. Good rulers would be allowed to rule with the Mandate of heaven, and despotic, unjust rulers would have the Mandate revoked by disasters or revolution. 

name
  • The philosophical construct that is the basis of the authority of the Son of Heaven. 

jus divinum

noun
  • divine right 

How often have the words Mandate of Heaven and jus divinum occurred in a corpus of books? (source: Google Ngram Viewer )