http://terminology.hl7.org/CodeSystem/v3-Calendar|2018-08-12

{
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  "date" : "2018-08-11T14:00:00Z",
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  "publisher" : "HL7, Inc",
  "content" : "complete",
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  "resourceType" : "CodeSystem",
  "title" : "v3 Code System Calendar",
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  "url" : "http://terminology.hl7.org/CodeSystem/v3-Calendar",
  "identifier" : [ {
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    "system" : "urn:ietf:rfc:3986"
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  "concept" : [ {
    "code" : "GREG",
    "display" : "Gregorian",
    "definition" : "The Gregorian calendar is the calendar in effect in most countries of Christian influence since approximately 1582. This calendar superceded the Julian calendar."
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  "version" : "2018-08-12",
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