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Published

August 23

vr.tr.august-23 · thing-q2821

Let an agent handle August 23 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Thing Registry Cross-cutting context XCT.TME

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Date Calendar facts.

Weekday

Computation.

Weekday

Weekday.

  1. On which weekday does August 23 fall in this year? measurement
  2. Is it a leap year? boundary

Calendar

Julian or Gregorian.

Calendar

Calendar system.

  1. Is the Julian or Gregorian calendar meant? boundary
  2. What is the equivalent date in the other calendar? measurement
Observances Holidays.

Holiday

Public holiday.

Holiday

Holiday status.

  1. Is August 23 a public holiday or observance here? provenance
  2. Which tradition or law sets it? provenance

Attribution

Traditions.

Attribution

Attributed observances.

  1. Which countries or communities observe something on this date, according to them? provenance
  2. Is the observance attributed rather than assumed? boundary
History Past events.

Events

On this day.

Events

Historical events.

  1. Which notable events happened on August 23, according to reliable sources? provenance
  2. Are dates given in the same calendar? boundary

Anniversaries

Recurring.

Anniversaries

Anniversaries.

  1. Which anniversaries fall on this date this year? provenance
  2. Which are round numbers? measurement
Planning Scheduling.

Countdown

Days until.

Countdown

Countdown.

  1. How many days until the next August 23? measurement
  2. From which date? definition

Work

Working day.

Work

Working day.

  1. Is it a working day for this organisation? provenance
  2. Do deadlines move? boundary

Classifiers Filled

Family
Thing Registry
Category
Cross-cutting context
Entry kind
thing
Plane
XCT
Domain
XCT.TME

What it is Filled

August 23, day 235 (day 236 in leap years) of the year in the Gregorian calendar, with 130 days remaining in both common and leap years. August 23 is the International Day for the Remembrance of the Slave Trade and its Abolition, recalling the 1791 uprising in Saint-Domingue, and the European Day of Remembrance for Victims of Stalinism and Nazism marking the Molotov-Ribbentrop Pact of 1939; it is also the anniversary of the Baltic Way human chain of 1989.

Why it exists Filled

Let an agent handle August 23 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.

Distinguishing features Filled

  • The twenty-third day of August
  • Weekday varies by year
  • Observances vary by place
  • Julian and Gregorian dates differ by 13 days in this era

What robots and AI may and may not do Filled

Must not

  • Rank or set against each other the victims of the slave trade, Stalinism and Nazism remembered on this date.
  • Present a regional remembrance day as observed everywhere.
  • Add on-this-day events without a reliable source.
  • Use the date to deny or minimise slavery, the Holocaust or Stalinist crimes.

Only with a human decision

  • Publishing commemorative content about mass atrocities linked to this date.

May

  • State August 23's position in the Gregorian year and list its observances with the bodies that set them.
  • Explain both the slave trade remembrance day and the European remembrance day with their origins.

Moral aspects Filled

  • This date commemorates victims of slavery and totalitarian regimes, whose memory deserves accuracy and respect.
  • Remembrance days are sometimes used for political point-scoring between states.

Who is affected

  • Descendants of enslaved people
  • Victims of totalitarian regimes and their families

Owners Filled

Steward

The public: held in common; international bodies and states proclaim the observances.

Links to other meta-models Filled

parent

  • Q11187283 - registry parent class

related

  • August - month
  • August 22 - date
  • calendar date - category
  • ISO 8601 - notation

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.august-23
  • Wikidata: Q2821 (https://www.wikidata.org/wiki/Q2821)
  • ISO 8601: --08-23 recurring date

Direct properties not applicable Not applicable

  • day of year: 235 or 236 day - common year, leap year where different
  • days remaining: 130 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 23 August or August 23
  • ISO format --08-23
  • Observances vary by country and tradition
  • A date on calendars.

Capabilities and actions required Filled

  • compute its weekday in a given year
  • check local and international observances
  • find sourced historical events
  • schedule events

Hazards and failure modes required Filled

  • Assuming observances are universal
  • Unsourced on-this-day events
  • Mixing Julian and Gregorian dates

Standards and interfaces required Filled

  • ISO 8601
  • National public holiday laws

Context of use required Filled

  • A calendar date for scheduling, holidays and anniversaries.
  • the recurring calendar date
  • specific dated days in given years

Sources Filled

  1. Wikidata item Q2821: August 23 - identity and sense of the item
  2. Wikipedia: August 23 - general description of the item

Open questions

  • Should dated days be separate entries?
  • How should observances be linked?
  • How should events be sourced?

Machine files

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q2821/spec.json