Past events has been deleted.
By default, the iPhone will only sync events that are not older than 2 months. If you want to keep all events, you have to change this in the System Settings of your iPhone, or in iTunes.
iPhone/iPad Settings
1. Open System Settings app and Go to Calendar
![Image: https://awesomecalendar.uservoice.com/assets/192364189/IMG_5370.jpg](https://awesomecalendar.uservoice.com/assets/192364189/IMG_5370.jpg)
2. Open Sync options
![Image: https://awesomecalendar.uservoice.com/assets/192364219/IMG_5371.jpg](https://awesomecalendar.uservoice.com/assets/192364219/IMG_5371.jpg)
3. Set Sync to your preferences
![Image: https://awesomecalendar.uservoice.com/assets/192364222/IMG_5372.jpg](https://awesomecalendar.uservoice.com/assets/192364222/IMG_5372.jpg)