{
  "@context": "https://schema.org",
  "@type": "Event",
  "name": "First Mass — Brown County, South Dakota",
  "startDate": "1842",
  "description": "First Mass said in Brown County, South Dakota on 1842 by Monsignor Augustin Ravoux.",
  "url": "https://firstmass.net/entries/south-dakota-brown-county-1842.html",
  "location": {
    "@type": "Place",
    "name": "Brown County, South Dakota",
    "geo": {
      "@type": "GeoCoordinates",
      "latitude": 45.6636,
      "longitude": -98.025153
    }
  }
}