pitched battle vs battle of Pittsburgh Landing

pitched battle and battle of Pittsburgh Landing both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitched battle	Yes	No	No	No
battle of Pittsburgh Landing	Yes	No	No	No

pitched battle (noun)	battle of Pittsburgh Landing (noun)
a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place	the second great battle of the American Civil War (1862); the battle ended with the withdrawal of Confederate troops but it was not a Union victory