To be announced
placeholder term in event planning

To be announced (TBA) is a placeholder term used very broadly in event planning to indicate that although something is scheduled or expected to happen, a particular aspect of it remains to be fixed or set. Other versions of the term include to be confirmed (TBC) and to be determined, discussed, defined, decided, declared, or done (TBD).
TBA versus TBC versus TBD
These phrases are similar, but may be used for different degrees of indeterminacy:
To be announced (TBA) or to be declared (TBD) – details may have been determined, but are not yet ready to be announced.
To be confirmed (TBC), to be resolved (TBR), or to be provided (TBP) – details may have been determined and possibly announced, but are still subject to change prior to being finalized.
To be arranged, to be agreed (TBA), to be determined (TBD) or to be decided – the appropriateness, feasibility, location, etc. of a given event has not been decided.
Other similar phrases sometimes used to convey the same meaning, and using the same abbreviations, include "to be ascertained", "to be arranged", "to be adjudicated", and "to be done".
Use of the abbreviation "TBA" is formally reported in a reference work at least as early as 1955, and "TBD" is similarly reported as early as 1967.
Examples
These various placeholder terms are often used to indicate to the public that a vacant position in a lineup of speakers, musicians, or other performers remains to be filled. The terms also frequently indicate that a creative work, such as an album or film, is forthcoming but that the date of release is not yet known.
Begin with the source’s own compact description: “To be announced” is placeholder term in event planning. The dossier treats that line as a proposition to test through announced, placeholder and term, not as a finished interpretation.
Why this record matters
The phrase “placeholder term in event planning” 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.
Chronology, provenance and viewpoint should be read together before a broad social or political interpretation is accepted. The source revision retrieved here is dated Jun 16, 2026. The linked authority identifier is Q603908. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1955 and 1967.
Later summaries often reconcile disputed chronology or motive more neatly than the contemporary record permits. 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
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Contemporary correspondence, government or organizational records, oral histories and cited historical scholarship.
Three-step research path
- Establish the record: confirm the title “To be announced”, its source revision and the description used here.
- Expand the search: follow To be announced primary sources, To be announced archive and announced research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “To be announced”?
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Search terms from this dossier
This entry incorporates text from “To be announced” 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.