JSON-LD using Schema.org @context. It can be copy/pasted into HTML Webpages.
<script type="application/ld+json">
{
"@context": "http://schema.org",
"id": "http://kg.artsdata.ca/resource/K23-2338",
"type": "Event",
"name": "Cathédrale de l'Assomption",
"endDate": "2021-04-07",
"startDate": "2021-04-07"
}
</script>