{
  "generated_at": "2026-11-13T21:34:47.183992+09:00",
  "wikidata_fetched_at": "2026-11-13T21:32:38.673752+09:00",
  "source": "Wikidata (https://www.wikidata.org/), CC0, queried via QLever (https://qlever.dev/)",
  "anniversaries": "data/day-info/anniversaries.json (hand-curated)",
  "selection": {
    "b": {
      "property": "P569",
      "label": "誕生",
      "min_sitelinks": 20,
      "min_sitelinks_japan": 10
    },
    "e": {
      "property": "P585",
      "label": "出来事",
      "min_sitelinks": 10,
      "min_sitelinks_japan": 6
    },
    "f": {
      "property": "P571",
      "label": "設立・成立",
      "min_sitelinks": 25,
      "min_sitelinks_japan": 12
    },
    "r": {
      "property": "P577",
      "label": "公開・発売",
      "min_sitelinks": 20,
      "min_sitelinks_japan": 8
    }
  },
  "rules": [
    "Japanese Wikipedia article and Japanese label required",
    "day-precision dates only, years 1-2100, proleptic Gregorian",
    "deprecated statements ignored; preferred statements win",
    "births, events and founding dates with several different values are dropped",
    "events that also have a start or end time are dropped",
    "releases use the earliest listed date"
  ],
  "counts": {
    "b": 64910,
    "e": 6094,
    "f": 12924,
    "r": 14381,
    "total": 98309,
    "anniversary_days": 76,
    "famous": 1500
  },
  "dropped": {
    "ambiguous": 1510,
    "span": 616,
    "range": 167,
    "threshold": 60224,
    "duplicate_kind": 320
  }
}