July 19
Let an agent handle July 19 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 July 19 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 July 19 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 July 19, 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 July 19? 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
July 19, day 200 (day 201 in leap years) of the year in the Gregorian calendar, with 165 days remaining in both common and leap years. July 19 is Martyrs Day in Myanmar, commemorating the assassination of Aung San and cabinet members in 1947, and the anniversary of the Sandinista victory in Nicaragua in 1979, of the start of the Great Fire of Rome in AD 64 and of the opening of the Seneca Falls Convention on women s rights in 1848.
Why it exists Filled
Let an agent handle July 19 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.
Distinguishing features Filled
- The nineteenth day of July
- 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
- Present Martyrs' Day in Myanmar as observed everywhere.
- Frame the Sandinista victory in a partisan way without attribution.
- Mix up Julian and Gregorian dates, especially for ancient events such as the fire of Rome.
- List events for July 19 without sources.
Only with a human decision
- Scheduling an action on July 19 that affects others across time zones.
May
- Give the day number of July 19 in common and leap years.
- List events on July 19, such as Martyrs' Day in Myanmar, with sources.
Moral aspects Filled
- Commemorations of assassinations and revolutions remain politically charged for living people.
Who is affected
- People of Myanmar
- People of Nicaragua
- People who mark the day
Owners Filled
Steward
Nobody owns a date; calendars are held in common.
Links to other meta-models Filled
parent
- Q11186284 - registry parent class
related
- July - month
- July 18 - 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.july-19
- Wikidata: Q2726 (https://www.wikidata.org/wiki/Q2726)
- ISO 8601: --07-19 recurring date
Direct properties not applicable Not applicable
- day of year: 200 or 201 day - common year, leap year where different
- days remaining: 165 days
Plane XCT: no invented physical properties.
Recognition optional Filled
- Written 19 July or July 19
- ISO format --07-19
- 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 Q2726: July 19 - identity and sense of the item
- Wikipedia: July 19 - 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-q2726/spec.json