golden age vs historic period

golden age and historic period both are nouns.

Word	Noun	Adjective	Verb	Adverb
golden age	Yes	No	No	No
historic period	Yes	No	No	No

As nouns, historic period is a hypernym of golden age; that is, historic period is a word with a broader meaning than golden age:

golden age: any period (sometimes imaginary) of great peace and prosperity and happiness
historic period: an era of history having some distinctive feature

Other hypernyms of golden age include age.

golden age (noun)	historic period (noun)
any period (sometimes imaginary) of great peace and prosperity and happiness	an era of history having some distinctive feature
a time period when some activity or skill was at its peak