How can I recover lost calendar events on my iPhone 12 Pro?

I did not update or sync my phone or anything just went to Cal and it was empty. Is there any way to recover events?

iPhone 12 iOS 18.5

[Re-Titled by Moderator]

Original Title: All my calendar events disappeared for no reason

iPhone 12 Pro, iOS 18

Posted on Sep 10, 2025 3:00 PM

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