TodayNetworkAbout
Cambridge 400
← Cambridge 400 atlas
Building / Landmark

SP4 Daniel J. Ryan Square

Intersection near Inman Square dedicated to Army Specialist Daniel J. Ryan, one of the veterans' squares that dot Cambridge's street corners.

Follow the civic storyOpen in the atlas
Why it matters

A single canonical record that surfaces on 3 of the network’s properties — the same place, understood through 3 different civic lenses.

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
Inman Square
Rain scoremodest

Indoor escapes within a few blocks.

Laptop friendlinesslow

Coffee, libraries, bookstores, and campus edges.

Student presencepresent

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

Make it walkableShow me the best 45 minutes from here

Turn the surrounding graph into a short, walkable next move.

Nearby · editorially filtered →
The editor's hand

Human recommendations

The Civic Graph Editorial DeskEditorial standardLook for the older layer before you move on. This object is connected to more than its facade suggests.Emory Washburn →Cambridge History DeskLocal historianLook for the older layer before you move on. This object is connected to more than its facade suggests.Emory Washburn →
Plan your visit
Get there
T · TransitUberLyftWalk

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

Explore SP4 Daniel J. Ryan Square in the interactive Graph Explorer — click to expand every connection →
Located in
Inman Square↗ Cambridge

Nearby what sits within a few minutes’ walk

Building / Landmark · 5 min walk

Ghost Bike - Jean Leonard

Building / Landmark · 7 min walk

Darling Square

Building / Landmark · 7 min walk

Alfred Velluci

Historical context

Founding of Newtowne (1630)1630Newtowne Becomes Cambridge (1638)1638Cambridge Becomes a City (1846)1846Cambridge 400 — Newtowne’s Quadricentennial (2030)2030

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

NearbyA few minutes’ walk away
Ghost Bike - Jean LeonardBuilding / LandmarkDarling SquareBuilding / LandmarkAlfred VelluciBuilding / LandmarkJulia ChildPersonFounding of Newtowne (1630)Historical event
Also in Inman SquareShares a neighborhood
Prospect Hill, SomervilleBuilding / Landmark
More landmarksOther landmarks in the graph
Harvard YardBuilding / LandmarkLongfellow BridgeBuilding / LandmarkLongfellow House–Washington’s HeadquartersBuilding / LandmarkWidener LibraryBuilding / LandmarkMemorial HallBuilding / Landmark

One record, 3 framings cross-property publishing — never duplicated

GuideToCambridge.comCambridge400.com · you are hereGuideToHarvard.com

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

Verified byThe Civic Graph Editorial DeskCambridge History Desk
56
Provisional
How this is scored →
○Source qualityBest source is open reference
○Independent corroboration1 source
✓Human-reviewedEditorially verified
○Institutional backingNo primary source yet
○Record completeness40% of canonical fields present
Sources, by tier
OpenStreetMap node/11439018221 Open reference
The same entity, elsewhere
OpenStreetMapnode/11439018221
Graph scores — our north star is relationship density, not page count
Relationship density13
1 connection
Record coverage48
metadata completeness
Graph authority28
centrality + reach + trust
Schema.org JSON-LD — what answer engines read
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "LandmarksOrHistoricalBuildings",
      "@id": "https://cambridge400.com/e/landmark-sp4danieljryansquare-18221",
      "name": "SP4 Daniel J. Ryan Square",
      "description": "Intersection near Inman Square dedicated to Army Specialist Daniel J. Ryan, one of the veterans' squares that dot Cambridge's street corners.",
      "url": "https://cambridge400.com/e/landmark-sp4danieljryansquare-18221",
      "geo": {
        "@type": "GeoCoordinates",
        "latitude": 42.37875,
        "longitude": -71.10414
      },
      "sameAs": [
        "https://www.openstreetmap.org/node/11439018221",
        "https://guidetocambridge.com/e/landmark-sp4danieljryansquare-18221",
        "https://guidetoharvard.com/e/landmark-sp4danieljryansquare-18221"
      ],
      "citation": [
        {
          "@type": "CreativeWork",
          "name": "OpenStreetMap node/11439018221"
        }
      ],
      "containedInPlace": {
        "@id": "https://guidetocambridge.com/e/inman-square"
      },
      "relatedLink": [
        "https://guidetocambridge.com/e/inman-square"
      ]
    },
    {
      "@type": "Place",
      "@id": "https://guidetocambridge.com/e/inman-square",
      "name": "Inman Square",
      "url": "https://guidetocambridge.com/e/inman-square"
    }
  ]
}