pitched battle vs Battle of Blenheim

pitched battle and Battle of Blenheim both are nouns.

Word	Noun	Adjective	Verb	Adverb
pitched battle	Yes	No	No	No
Battle of Blenheim	Yes	No	No	No

pitched battle (noun)	Battle of Blenheim (noun)
a fierce battle fought in close combat between troops in predetermined positions at a chosen time and place	the First Duke of Marlborough and Prince Eugene of Savoy defeated the French in 1704 during the War of the Spanish Succession