Three Mile Island

island in the Susquehanna River in Dauphin County, Pennsylvania, United States
Landform island Q52085875
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Three Mile Island

Summary

Three Mile Island is an island[1]. It ranks in the top 7% of island entities by monthly Wikipedia readership (113 views/month).[2]

Key Facts

  • Three Mile Island is located in Londonderry Township[3].
  • Three Mile Island is located in Dauphin County[4].
  • Three Mile Island is in the country of United States[5].
  • Three Mile Island is on the body of water Susquehanna River[6].
  • Three Mile Island's instance of is recorded as island[7].
  • Three Mile Island's instance of is recorded as river island[8].
  • Three Mile Island's coordinate location is recorded as {'lat': 40.1442601, 'lon': -76.7246908}[9].
  • Three Mile Island's significant event is recorded as Three Mile Island accident[10].
  • Three Mile Island's different from is recorded as Three Mile Island[11].
  • Three Mile Island sits at an elevation of {'unit': 'Q3710', 'amount': '+302'}[12].

Body

Geography

Three Mile Island is in the country of United States[5]. Located in include Londonderry Township[3], a township of Pennsylvania[13], in United States[14] and Dauphin County[4], a county of Pennsylvania[15], in United States[16], founded in 1785[17]. It is on the body of water Susquehanna River[6].

Physical Characteristics

Three Mile Island sits at an elevation of {'unit': 'Q3710', 'amount': '+302'}[12].

Designation and Status

Recorded instance of include island[7] and river island[8].

Why It Matters

Three Mile Island ranks in the top 7% of island entities by monthly Wikipedia readership (113 views/month).[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [7] ↑ . wikidata.org.
  3. [8] ↑ . wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [4] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . Geographic Names Information System. wikidata.org.

Inline context (facts about related entities)

  1. [13] ↑ . Wikidata. wikidata.org. → on this site
  2. [14] ↑ . Wikidata. wikidata.org. → on this site
  3. [15] ↑ . Wikidata. wikidata.org. → on this site
  4. [16] ↑ . Wikidata. wikidata.org. → on this site
  5. [17] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Three Mile Island. Retrieved October 9, 2026, from https://4ort.xyz/entity/three-mile-island
MLA “Three Mile Island.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Oct. 2026, https://4ort.xyz/entity/three-mile-island.
BibTeX @misc{4ortxyz_three-mile-island_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Three Mile Island}}, year = {2026}, url = {https://4ort.xyz/entity/three-mile-island}, note = {Accessed: 2026-10-09}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Three Mile Island — https://4ort.xyz/entity/three-mile-island (retrieved 2026-10-09)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 15h ago · RVA2869 · 2026-10-09 view diff on Wikidata ↗
    Sitelink count → 2
    Located in time zone → —
    Wikipedia languages → ['ceb', 'en']
    Claims rich → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/58669|batch #58669]]: redundant value, already present at higher administrative level"
  2. 28d ago · Susmuffin · 2026-09-11 view diff on Wikidata ↗
    Harper's tag → three-mile-island
    "/* wbsetclaim-create:1||1 */ [[Property:P13772]]: three-mile-island, Matched to [[:toollabs:mix-n-match/#/entry/289970241|three mile island (#289970241)]] in [[:toollabs:mix-n-match/#/catalog/7915|Har"
  3. 4w ago · IdeasMagnet · 2026-09-07 view diff on Wikidata ↗
    Different from → Three Mile Island
    Gnis feature id → 1189554
    Country → United States
    Wikidata description → island in the Susquehanna River in Dauphin County, Pennsylvania, United States
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P402]]: 17263106, Adding OSM relation id claim from wikidata tag on relation/17263106 in United States"
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