After 1784, when Crown Prince Frederik (VI) took power from Høegh-Guldberg in a coup, Frederik’s political life was over. From that time he lived as a private person, first in Christiansborg Palace, and, after that burned down, in the palaces of Amalienborg and Sorgenfri.

Make this lower case.
after 1784, when crown prince frederik (vi) took power from høegh-guldberg in a coup, frederik’s political life was over. from that time he lived as a private person, first in christiansborg palace, and, after that burned down, in the palaces of amalienborg and sorgenfri.