Calendar deleted everything!

[Ellieajones]

I use the calendar on my phone for everything but when I clicked on it today I watched everything disappear!! What has happened and how can I get everything back? 

[Aklima]

Hi,
if ur calender is backed up then u should have everything back

[Ellieajones]

My phone backs everything up but when I tried to restore it nothing came back

[Aklima]

Hi,
they should have option for contact. you can contact them and ask

[AndrewL]

@Ellieajones: Can you try swiping from the top of the screen to the bottom and tapping 'Sync' so it highlights, then open the Calendar app > Tap the 3 lines in the top left > Sync Now, to see if this helps?