{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.may-29","code":"thing-q2589","url":"https://ver.cy/models/thing/q2589/","name":"May 29","alternateNames":[],"kind":"thing","status":"published","version":"0.2.0-wave.4","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.TME"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"May 29, day 149 (day 150 in leap years) of the year in the Gregorian calendar, with 216 days remaining in both common and leap years. May 29 is the International Day of United Nations Peacekeepers and the anniversary of the fall of Constantinople to the Ottoman Empire in 1453, of the first confirmed ascent of Mount Everest by Edmund Hillary and Tenzing Norgay in 1953 and of the restoration of Charles II in 1660, remembered in England as Oak Apple Day.","purpose":"Let an agent handle May 29 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["The twenty-ninth day of May","Weekday varies by year","Observances vary by place","Julian and Gregorian dates differ by 13 days in this era"],"structure":{"bundles":[{"id":"date","name":"Date","description":"Calendar facts.","layers":[{"id":"weekday","name":"Weekday","description":"Computation.","findings":[{"id":"weekday-finding","name":"Weekday","description":"Weekday.","questions":[{"text":"On which weekday does May 29 fall in this year?","kind":"measurement"},{"text":"Is it a leap year?","kind":"boundary"}]}]},{"id":"calendar","name":"Calendar","description":"Julian or Gregorian.","findings":[{"id":"calendar-finding","name":"Calendar","description":"Calendar system.","questions":[{"text":"Is the Julian or Gregorian calendar meant?","kind":"boundary"},{"text":"What is the equivalent date in the other calendar?","kind":"measurement"}]}]}]},{"id":"observances","name":"Observances","description":"Holidays.","layers":[{"id":"holiday","name":"Holiday","description":"Public holiday.","findings":[{"id":"holiday-finding","name":"Holiday","description":"Holiday status.","questions":[{"text":"Is May 29 a public holiday or observance here?","kind":"provenance"},{"text":"Which tradition or law sets it?","kind":"provenance"}]}]},{"id":"attribution","name":"Attribution","description":"Traditions.","findings":[{"id":"attribution-finding","name":"Attribution","description":"Attributed observances.","questions":[{"text":"Which countries or communities observe something on this date, according to them?","kind":"provenance"},{"text":"Is the observance attributed rather than assumed?","kind":"boundary"}]}]}]},{"id":"history","name":"History","description":"Past events.","layers":[{"id":"events","name":"Events","description":"On this day.","findings":[{"id":"events-finding","name":"Events","description":"Historical events.","questions":[{"text":"Which notable events happened on May 29, according to reliable sources?","kind":"provenance"},{"text":"Are dates given in the same calendar?","kind":"boundary"}]}]},{"id":"anniversaries","name":"Anniversaries","description":"Recurring.","findings":[{"id":"anniversaries-finding","name":"Anniversaries","description":"Anniversaries.","questions":[{"text":"Which anniversaries fall on this date this year?","kind":"provenance"},{"text":"Which are round numbers?","kind":"measurement"}]}]}]},{"id":"planning","name":"Planning","description":"Scheduling.","layers":[{"id":"countdown","name":"Countdown","description":"Days until.","findings":[{"id":"countdown-finding","name":"Countdown","description":"Countdown.","questions":[{"text":"How many days until the next May 29?","kind":"measurement"},{"text":"From which date?","kind":"definition"}]}]},{"id":"work","name":"Work","description":"Working day.","findings":[{"id":"work-finding","name":"Work","description":"Working day.","questions":[{"text":"Is it a working day for this organisation?","kind":"provenance"},{"text":"Do deadlines move?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["Compute the weekday of May 29 in a given year.","Relay that May 29 is the International Day of United Nations Peacekeepers, attributed to the UN.","Relay events such as the 1453 fall of Constantinople and the 1953 Everest ascent with sources."],"mustNot":["Present the 1453 conquest of Constantinople from only one community's perspective.","Credit the first Everest ascent to only one of the two climbers.","Convert the 1453 date between Julian and Gregorian reckoning without saying so.","Treat the UN observance as a public holiday."],"requiresHuman":["Publishing commemorative material about peacekeepers who died in service."]},"ethics":{"considerations":["The fall of Constantinople is mourned by some communities and celebrated by others.","Peacekeepers' deaths deserve accurate and respectful remembrance."],"affectedParties":["Families of fallen peacekeepers","Greek and Turkish communities","Readers of date facts"]},"owners":{"steward":"Nobody owns a calendar date; the UN declares its observance.","roles":[],"masterSystems":[]},"relations":[{"target":"Q11187374","type":"parent","note":"registry parent class"},{"target":"May","type":"related","note":"month"},{"target":"May 28","type":"related","note":"date"},{"target":"calendar date","type":"related","note":"category"},{"target":"ISO 8601","type":"related","note":"notation"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.may-29","Wikidata: Q2589 (https://www.wikidata.org/wiki/Q2589)","ISO 8601: --05-29 recurring date"]},"properties":{"applicability":"not-applicable","items":["day of year: 149 or 150 day - common year, leap year where different","days remaining: 216 days"]},"recognition":{"applicability":"optional","items":["Written 29 May or May 29","ISO format --05-29","Observances vary by country and tradition","A date on calendars."]},"capabilities":{"applicability":"required","items":["compute its weekday in a given year","check local and international observances","find sourced historical events","schedule events"]},"hazards":{"applicability":"required","items":["Assuming observances are universal","Unsourced on-this-day events","Mixing Julian and Gregorian dates"]},"interfaces":{"applicability":"required","items":["ISO 8601","National public holiday laws"]},"context":{"applicability":"required","items":["A calendar date for scheduling, holidays and anniversaries.","the recurring calendar date","specific dated days in given years"]}},"sources":[{"title":"Wikidata item Q2589: May 29","url":"https://www.wikidata.org/wiki/Q2589","note":"identity and sense of the item"},{"title":"Wikipedia: May 29","url":"https://en.wikipedia.org/wiki/May_29","note":"general description of the item"}],"openQuestions":["Should dated days be separate entries?","How should observances be linked?","How should events be sourced?"],"resources":{"spec":"/models/things/publications/thing-q2589/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2589/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T20:00:38Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:57+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane XCT: no invented physical properties."},"score":1.0}}