August 28
Let an agent handle August 28 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 28 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 28 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 28, 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 28? 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 28, day 240 (day 241 in leap years) of the year in the Gregorian calendar, with 125 days remaining in both common and leap years. August 28 is the anniversary of the March on Washington and Martin Luther King Jr. s I Have a Dream speech in 1963, of the murder of Emmett Till in 1955, of the Feast of Saint Augustine of Hippo, and of the 1988 Ramstein air show disaster.
Why it exists Filled
Let an agent handle August 28 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.
Distinguishing features Filled
- The twenty-eighth 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
- Treat the murder of Emmett Till lightly or as trivia.
- Quote the 1963 speech beyond fair use or alter its words.
- Present the Feast of Saint Augustine as observed by every church on this date.
- Add on-this-day events without a source.
Only with a human decision
- Publishing commemorative content about racial violence or the Ramstein disaster.
May
- Report August 28 as day 240, or 241 in leap years, of the Gregorian calendar.
- Relay sourced events such as the 1963 March on Washington and the Feast of Saint Augustine.
Moral aspects Filled
- The anniversaries include racial murder and a mass-casualty disaster, which demand respect for victims.
- Civil rights history is still contested and easily distorted.
Who is affected
- Families of victims
- Black communities in the United States
- Readers
Owners Filled
Steward
Nobody owns a date; the Gregorian calendar is held in common.
Links to other meta-models Filled
parent
- Q11187366 - registry parent class
related
- August - month
- August 27 - 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-28
- Wikidata: Q2817 (https://www.wikidata.org/wiki/Q2817)
- ISO 8601: --08-28 recurring date
Direct properties not applicable Not applicable
- day of year: 240 or 241 day - common year, leap year where different
- days remaining: 125 days
Plane XCT: no invented physical properties.
Recognition optional Filled
- Written 28 August or August 28
- ISO format --08-28
- 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 Q2817: August 28 - identity and sense of the item
- Wikipedia: August 28 - 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-q2817/spec.json