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Published

November 9

vr.tr.november-9 · thing-q2991

Let an agent handle November 9 as a calendar date with day number, weekday computation, observances and carefully sourced, respectful historical context.

Thing Registry Cross-cutting context XCT.TME
Bundle → Layer → Finding → QuestionsClassifiersWhat it isWhy it existsDistinguishing featuresWhat robots and AI may and may not doMoral aspectsOwnersLinks to other meta-modelsIdentity and identifiersDirect propertiesRecognitionCapabilities and actionsHazards and failure modesStandards and interfacesContext of useSources

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 November 9 fall in this year? measurement
  2. Is it a leap year? boundary

Format

Notation.

Format

Date format.

  1. How should the date be written for this audience? action
  2. Is ISO format needed? boundary
History German history.

Events

Turning points.

Events

Historical events.

  1. Which events are associated with this date, according to reliable historians? provenance
  2. Is the context accurate? boundary

Remembrance

November pogroms.

Remembrance

Remembrance.

  1. How is the 1938 pogrom remembered, and by which institutions? provenance
  2. Is the tone respectful? boundary
Observances Commemorations.

Events

Ceremonies.

Events

Commemorations.

  1. Which commemorations take place on this date? provenance
  2. Where? provenance

Status

Holiday or not.

Status

Holiday status.

  1. Is it a public holiday anywhere? provenance
  2. Why was it not chosen as a German national day? provenance
Planning Scheduling.

Sensitivity

Scheduling care.

Sensitivity

Scheduling sensitivity.

  1. Could scheduling a celebration on this date be insensitive here? boundary
  2. Which remembrance events coincide? provenance

Countdown

Days until.

Countdown

Countdown.

  1. How many days until the next November 9? measurement
  2. From which date? definition

Classifiers Filled

Family
Thing Registry
Category
Cross-cutting context
Entry kind
thing
Plane
XCT
Domain
XCT.TME
Other names and narrower kinds
November 9 in German history

What it is Filled

The 313th day of the year in the Gregorian calendar (314th in leap years), with 52 days remaining; a date of several turning points in German history, including the 1918 proclamation of the republic, the 1938 November pogroms and the 1989 opening of the Berlin Wall.

Why it exists Filled

Let an agent handle November 9 as a calendar date with day number, weekday computation, observances and carefully sourced, respectful historical context.

Distinguishing features Filled

  • Several major events in German history
  • Remembrance of the 1938 November pogroms
  • Anniversary of the Berlin Wall opening
  • Weekday varies by year

What robots and AI may and may not do Filled

Must not

  • Present the date's anniversaries without distinguishing commemoration of victims from celebration.
  • Use the date to promote or glorify the persecution remembered on it.
  • Attribute events to November 9 without a reliable source or calendar check.

Only with a human decision

  • Publishing commemorative content about persecution or political violence.

May

  • List events and anniversaries on November 9 with their sources.
  • Note when the same date carries both celebrated and grievous anniversaries.

Moral aspects Filled

  • The date marks both the fall of the Berlin Wall and the November pogrom of 1938; tone matters.
  • Remembrance protects against denial and repetition of atrocities.

Who is affected

  • Descendants of victims
  • Communities in Germany and beyond
  • Readers of history

Owners Filled

Steward

Nobody: a calendar date is held in common.

Links to other meta-models Filled

parent

  • Q11188523 - registry parent class

related

  • November - month
  • calendar date - category
  • German history - context
  • ISO 8601 - notation

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.november-9
  • Wikidata: Q2991 (https://www.wikidata.org/wiki/Q2991)
  • ISO 8601: --11-09 recurring date

Direct properties not applicable Not applicable

  • day of year: 313 or 314 day - common or leap year
  • days remaining: 52 days

Plane XCT: no invented physical properties.

Recognition optional Filled

  • Written 9 November or November 9
  • ISO format --11-09
  • Known in Germany as Schicksalstag (day of fate)
  • A date on calendars.

Capabilities and actions required Filled

  • compute its weekday in a given year
  • find remembrance events
  • cite sourced historical events
  • schedule events

Hazards and failure modes required Filled

  • Trivialising remembrance
  • Unsourced or distorted history
  • Day-month order confusion

Standards and interfaces required Filled

  • ISO 8601

Context of use required Filled

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

Sources Filled

  1. Wikidata item Q2991: November 9 - identity and sense of the item
  2. Wikipedia: November 9 - general description of the item

Open questions

  • Should the German history events be separate linked entries?
  • How should remembrance events be linked?
  • How should events be sourced?

Machine files

Card as JSON Specification Card backlog vercy.card/1

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q2991/spec.json