Located in Orleans Parish, New Orleans was founded in 1718. (Wiki)
The graph displays the other subjects mentioned on the same pages as the subject "New Orleans (La.)". If the same subject occurs on a page with "New Orleans (La.)" more than once, it appears closer to "New Orleans (La.)" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.