August 23
Let an agent handle August 23 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Date Calendar facts.
Weekday
Computation.
Weekday
Weekday.
- On which weekday does August 23 fall in this year? measurement
- Is it a leap year? boundary
Calendar
Julian or Gregorian.
Calendar
Calendar system.
- Is the Julian or Gregorian calendar meant? boundary
- What is the equivalent date in the other calendar? measurement
Observances Holidays.
Holiday
Public holiday.
Holiday
Holiday status.
- Is August 23 a public holiday or observance here? provenance
- Which tradition or law sets it? provenance
Attribution
Traditions.
Attribution
Attributed observances.
- Which countries or communities observe something on this date, according to them? provenance
- Is the observance attributed rather than assumed? boundary
History Past events.
Events
On this day.
Events
Historical events.
- Which notable events happened on August 23, according to reliable sources? provenance
- Are dates given in the same calendar? boundary
Anniversaries
Recurring.
Anniversaries
Anniversaries.
- Which anniversaries fall on this date this year? provenance
- Which are round numbers? measurement
Planning Scheduling.
Countdown
Days until.
Countdown
Countdown.
- How many days until the next August 23? measurement
- From which date? definition
Work
Working day.
Work
Working day.
- Is it a working day for this organisation? provenance
- 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
- Wikidata item Q2821: August 23 - identity and sense of the item
- 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