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old quantum theory

set of heuristic corrections to classical physics that served as a predecessor to modern quantum mechanics (1900–1925)
Intangible theory Q2566926
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Summary

old quantum theory is a theory[1]. It draws 2,081 Wikipedia views per month (theory category, ranking #52 of 323).[2]

Key Facts

  • Maintained by WikiProject: WikiProject Mathematics[3]

Why It Matters

old quantum theory has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[4] It is known by 23 alternative names across languages and contexts.[5]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [4] ↑ . Wikidata sitelinks. wikidata.org.
  3. [5] ↑ . Wikidata aliases. wikidata.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). old quantum theory. Retrieved October 13, 2026, from https://4ort.xyz/entity/old-quantum-theory
MLA “old quantum theory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 13 Oct. 2026, https://4ort.xyz/entity/old-quantum-theory.
BibTeX @misc{4ortxyz_old-quantum-theory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{old quantum theory}}, year = {2026}, url = {https://4ort.xyz/entity/old-quantum-theory}, note = {Accessed: 2026-10-13}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): old quantum theory — https://4ort.xyz/entity/old-quantum-theory (retrieved 2026-10-13)

Canonical URL: https://4ort.xyz/entity/old-quantum-theory · Last refreshed:

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. 1d ago · Landre89 · 2026-10-13 view diff on Wikidata ↗
    Bncf thesaurus id → —
    Semantic scholar topic id → 444914
    Claims rich → —
    "/* wbsetclaim-create:1||1 */ Semantic scholar topic id: 444914, Matched to #mix'n'match [[:toollabs:mix-n-match/#/entry/255237854|Old quantum theory (#255237854)]] for {{P|6611}}"
  2. 2d ago · Landre89 · 2026-10-12 view diff on Wikidata ↗
    Maintained by wikiproject → WikiProject Mathematics
    Instance of → —
    Wikipedia languages → ['ar', 'ca', 'en', 'es', 'fa', 'fr', 'id', 'it', 'ja', 'ko', 'nl', 'oc', 'pa', '
    Instance of → theory
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Bncf thesaurus id: 10314"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.