Boston 400 atlas
Building / Landmark

Fort Independence - Castle William

The history of Fort Independence (Castle William), including its role in the Revolutionary War and the Siege of Boston.

Fort Independence - Castle William
Photograph · Wikimedia Commons
Why it matters

Part of the connected record of this place — 1 relationship link it into the wider graph, each one a thread worth pulling.

Open the full civic recordCurrent pulse, routes, recommendations, and memory
Living object

Now, then, future

Every object is temporal: what it feels like now, what it used to mean, and what it can become next.

Now

quiet enough to notice details. Best now: one good detour.

Then

The older layer is mostly carried by nearby places and relationships.

Future

2026: America’s 250th — July 4, 2026.

Current modemidday
Historical echonearby
Connected eventAmerica’s 250th — July 4, 2026
Pulse

How it feels right now

Current energyquiet enough to notice details
Best nowone good detour
Best timemidday
localwalkableconnected
Rain scoremodest

Indoor escapes within a few blocks.

Laptop friendlinesslow

Coffee, libraries, bookstores, and campus edges.

Student presencelow

How strongly the nearby graph reads as campus life.

Tourist pressurelow

Fame, landmark pull, and visitor-facing assets.

Historic densitylight

Older records and historical edges around this object.

Serendipityquiet

Different kinds of things hiding within a short walk.

Turn this into a walk

Routes with a point of view

What should I see next?

Chosen moves from here

The editor's hand

Human recommendations

Graph connections
1
Plan your visit

In the graph 1 relationships — first-class data, not links

Explore Fort Independence - Castle William in the interactive Graph Explorer — click to expand every connection →
Located in
Boston

Nearby what sits within a few minutes’ walk

An unexpected connection

Fort Independence - Castle William is linked, through the graph, to Boston city, 2.9 mi away. The kind of thread you only find by following the connections.

Keep exploring graph-powered — every path below is a real relationship, not a guess

One record, 1 framing cross-property publishing — never duplicated

Boston400.com · you are here

How we know graph confidence — we explain our certainty, not just assert it

Source qualityBest source is primary / institutional
Independent corroboration1 source
Human-reviewedEditorially verified
Institutional backingCites a primary or institutional source
Record completeness60% of canonical fields present
Sources, by tier
U.S. National Park Service (NPS API) Primary / institutional
The same entity, elsewhere
Graph scores — our north star is relationship density, not page count
Relationship density13
1 connection
Record coverage74
metadata completeness
Graph authority20
centrality + reach + trust
Schema.org JSON-LD — what answer engines read
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "LandmarksOrHistoricalBuildings",
      "@id": "https://boston400.com/e/landmark-fortindependencecastlewilliam-eb647",
      "name": "Fort Independence - Castle William",
      "description": "The history of Fort Independence (Castle William), including its role in the Revolutionary War and the Siege of Boston.",
      "url": "https://boston400.com/e/landmark-fortindependencecastlewilliam-eb647",
      "image": {
        "@type": "ImageObject",
        "url": "https://www.nps.gov/common/uploads/cropped_image/B68D3C06-CC93-DA4F-6C1EC29B303BFC9B.jpg",
        "contentUrl": "https://www.nps.gov/common/uploads/cropped_image/B68D3C06-CC93-DA4F-6C1EC29B303BFC9B.jpg",
        "creditText": "Wikimedia Commons",
        "caption": "Fort Independence - Castle William"
      },
      "geo": {
        "@type": "GeoCoordinates",
        "latitude": 42.33828,
        "longitude": -71.01108
      },
      "mainEntityOfPage": "https://www.nps.gov/places/fort-independence-castle-william.htm",
      "sameAs": [
        "https://www.nps.gov/places/fort-independence-castle-william.htm"
      ],
      "citation": [
        {
          "@type": "CreativeWork",
          "name": "U.S. National Park Service (NPS API)"
        }
      ],
      "containedInPlace": {
        "@id": "https://boston400.com/e/boston"
      },
      "relatedLink": [
        "https://boston400.com/e/boston"
      ]
    },
    {
      "@type": "City",
      "@id": "https://boston400.com/e/boston",
      "name": "Boston",
      "url": "https://boston400.com/e/boston"
    }
  ]
}