CACrown ArchivesThe cinema collection
Menu
Research dossier · History & Society

TDC Holding A/S

Danish telecommunications company

Layered newspapers, civic records and oral-history reels arranged as chronological evidence
History and societyInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 15, 2026
Entity authorityQ1238842 ↗
Source-derived summary

TDC Holding A/S or TDC Group (formerly Tele Danmark Communications) is a Danish telecommunications company dating back to 1879. TDC Group is the largest telecommunications company in Denmark. The company's headquarters are located in Copenhagen.

TDC Holding is the holding company of two separate companies which were spun-off from TDC; Nuuday A/S and TDC NET A/S. All consumer related services and brands were placed under Nuuday, and the ownership and maintenance of physical infrastructure of mobile antennas as well as coax and fibre optical lines were placed under TDC NET.

History

Early history

In 1879, Kjøbenhavns By- og Hustelegraf was established by telegraph engineer Severin Lauritzen and telegraphist Th. Thaulow. The company set up private telephone lines over shorter distances, for example between offices and factories. In addition, it offered telegraph service in Copenhagen using small telegraph stations around the city that could communicate by telephone.

In 1881, the International Bell Telephone Company, the European subsidiary of the American Bell Telephone Company, set up its first telephone exchange on Lille Kongensgade in Copenhagen, serving 22 business customers. On 21 August 1882, Carl Frederik Tietgen acquired the Danish operations of International Bell Telephone Company for DKK 200,000 and founded Kjøbenhavns Telefon-Selskab (KTS), later Kjøbenhavns Telefon Aktieselskab (KTAS).

In 1927, the Post- og Telegrafvæsenet (P&T; lit.

Editorial summary

Begin with the source’s own compact description: “TDC Holding A/S” is danish telecommunications company. The dossier treats that line as a proposition to test through Holding, Danish and telecommunications, not as a finished interpretation.

Editorial reviewA strong contextual entry point for chronology, institutions and public events when official records are distinguished from later interpretation. The current lead gives the account dated anchors—1879, 1881, 1882, 1927—that can be checked directly. The linked authority record independently contributes the date 1990. For this dossier, Holding, Danish and telecommunications is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “danish telecommunications company” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

The record creator and administrative purpose are central evidence, because official documentation reflects both action and institutional priorities. The source revision retrieved here is dated Jun 15, 2026. The linked authority identifier is Q1238842. 1 of 2 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1879, 1881, 1882 and 1927.

Critical limits

Institutional narratives can privilege the records that survived while minimizing voices that were never formally collected. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Compare institutional narratives with records created by participants and affected communities. Dates and formal titles are useful anchors, but not substitutes for context.

Best used for
  • Event chronology
  • Institutional context
  • Locating named record creators
Verify next

Contemporary correspondence, government or organizational records, oral histories and cited historical scholarship.

Three-step research path

  1. Establish the record: confirm the title “TDC Holding A/S”, its source revision and the description used here.
  2. Expand the search: follow TDC Holding A/S primary sources, TDC Holding A/S archive and Holding research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “TDC Holding A/S”?
  2. Who created the surviving record, and for what administrative purpose?
  3. Which voices are present, absent or mediated by the institution?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “TDC Holding A/S” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.