Sentence: The American 14th New Jersey Volunteer Infantry Monument in the Historic District of the Monocacy National Battlefield was established on July 11th, 1907.

What structured data could we extract from this sentence?
14th New Jersey Volunteer Infantry Monument, country, "United States"; 14th New Jersey Volunteer Infantry Monument, category, Historic districts in the United States; 14th New Jersey Volunteer Infantry Monument, district, Monocacy National Battlefield; 14th New Jersey Volunteer Infantry Monument, established, "1907-07-11"