If your events have been cancelled or postponed, or maybe switched to "virtual" you can tag the changes with some markup which Google will pick up on
There's more information on the tags here:
There's more information on the tags here:
Learn About Google Event Schema Markup | Google Search Central | Documentation | Google for Developers
Make it easier for people to discover and attend your online or offline events by adding schema markup to your event pages.
developers.google.com