You can use the scheduler to easily generate events from a template.
Go to 'Events' in the left upper corner and choose 'Scheduler'.
If you create a new planner (or open an existing one) you can indicate on the left side of the screen which templates you want to use and on which day they should generate an event. It is possible to add exceptions, such as a Christmas day if you are closed:
You will see a calendar on the right side of the screen. The coloured dots show you whether events of these templates have already been created on that specific day:
If you want to use the scheduler, you add a start and end date at the top. The planner will indicate on which days an event will be created and how many there are in total: