pitched battle vs First Battle of Chattanooga

pitched battle and First Battle of Chattanooga both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitched battle	Yes	No	No	No
First Battle of Chattanooga	Yes	No	No	No

pitched battle (noun)	First Battle of Chattanooga (noun)
a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place	in the American Civil War (1863) the Union armies of Hooker, Thomas, and Sherman under the command of Ulysses S. Grant won a decisive victory over the Confederate Army under Braxton Bragg