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Blue Birthday

2021 South Korean web series
TVSeries web_series Q107177115
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Summary

Blue Birthday is a web series[1]. It draws 462 Wikipedia views per month (web series category, ranking #164 of 360).[2]

Key Facts

  • Genre: fantasy television series[3], romance television series[4], thriller television series[5]
  • Cast member: Hongseok[6], Yeri[7]
  • Place of publication: South Korea[8]
  • Original language of film or TV show: Korean[9]
  • Language of work or name: Korean[10]
  • Country of origin: South Korea[11]
  • Start time: July 23, 2021[12]
  • Takes place in fictional universe: Plyverse[13]
  • Title: 블루버스데이[14]
  • Derivative work: Blue Birthday[15]
  • P14907: 2397[16]

Why It Matters

Blue Birthday has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[17] It is known by 5 alternative names across languages and contexts.[18]

Related Entities

South Korea Yeri

References

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

Direct Wikidata claims

  1. [3] ↑ . imdb.com. imdb.com. Provenance: wikidata.org.
  2. [4] ↑ . imdb.com. imdb.com. Provenance: wikidata.org.
  3. [5] ↑ . imdb.com. imdb.com. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . imdb.com. imdb.com. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [17] ↑ . Wikidata sitelinks. wikidata.org.
  3. [18] ↑ . 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). Blue Birthday. Retrieved October 15, 2026, from https://4ort.xyz/entity/blue-birthday
MLA “Blue Birthday.” 4ort.xyz Knowledge Graph, 4ort.xyz, 15 Oct. 2026, https://4ort.xyz/entity/blue-birthday.
BibTeX @misc{4ortxyz_blue-birthday_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Blue Birthday}}, year = {2026}, url = {https://4ort.xyz/entity/blue-birthday}, note = {Accessed: 2026-10-15}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Blue Birthday — https://4ort.xyz/entity/blue-birthday (retrieved 2026-10-15)

Canonical URL: https://4ort.xyz/entity/blue-birthday · 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 · ならちゃん · 2026-10-15 view diff on Wikidata ↗
    P14907 → 2397
    Wikipedia languages → ['en', 'es', 'id', 'ja', 'ko', 'so', 'zh']
    Claims rich → —
    "/* wbsetclaim-create:1||1 */ P14907: 2397, Matched to [[:toollabs:mix-n-match/#/entry/324427867|劇場版ブルーバースデー (#324427867)]] in [[:toollabs:mix-n-match/#/catalog/8483|wowKorea work]] #mix'n"
  2. 11w ago · ならちゃん · 2026-07-28 view diff on Wikidata ↗
    Start time → +2021-07-23T00:00:00Z
    "/* wbcreateclaim-create:1| */ Start time: 23 July 2021, #quickstatements; #temporary_batch_1785221807382; ブルーバースデー (TMDB TV:128586 Season 1)"
  3. 13w ago · ならちゃん · 2026-07-14 view diff on Wikidata ↗
    Eiga.com drama id → Blue_Birthday
    "/* wbsetclaim-create:1||1 */ Eiga.com drama id: Blue_Birthday, Matched to [[:toollabs:mix-n-match/#/entry/278979924|ブルーバースデー (#278979924)]] in [[:toollabs:mix-n-match/#/catalog/7657|‎Eiga.com drama]"
  4. 15w ago · Zestier · 2026-07-03 view diff on Wikidata ↗
    Tv maze series id → 56101
    "/* wbsetclaim-create:1||1 */ Tv maze series id: 56101"
  5. 15w ago · Zestier · 2026-07-03 view diff on Wikidata ↗
    Genre → fantasy television series, romance television series, thriller television series
    Instance of → web series
    Takes place in fictional universe → Plyverse
    Place of publication → South Korea
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/39771|batch #39771]]: tvdb main"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.