Now ... I'm not trying to be a jerk, but ... please consider what to do if your phone were to break or get stolen or otherwise become inaccessible!
All data (including calendars) isn't safe until stored in more than one place.
Too many of my friends have their entire life on their phones and are excessively confident that they will never lose their data because they're so careful with their phones. Pictures, bank info, calendars, address books ... everything important should be in more than one place.
The saddest was a friend that had about 10 years of photos on her old phone and then got locked out of it. With no backups. The same friend also traveled without physical credit cards and depended on her phone to pay for literally everything. She then of course left her phone in a taxi ... oops (at least she got it back after a couple of days).
Anyway, suggest you ask for help from someone near you that can help make sure your phone is backed up!
In any event, glad to hear you've got your calendar back 
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