pitched battle vs Battle of Port Arthur

pitched battle and Battle of Port Arthur both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitched battle	Yes	No	No	No
Battle of Port Arthur	Yes	No	No	No

pitched battle (noun)	Battle of Port Arthur (noun)
a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place	a battle in the Chino-Japanese War (1894); Japanese captured the port and fortifications from the Chinese