Great Britain vs November 5

Great Britain and November 5 both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
November 5	Yes	No	No	No

Great Britain (noun)	November 5 (noun)
an island comprising England and Scotland and Wales	anniversary of the discovery of the Gunpowder Plot
a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom