How to delete pre installed events on s planner

[George12345]

Hello, i bought my note 8 in south korea and it camw with pre installed events in the s planner. Its all in korea so i dont even understand it. How do i delete these events? Ive tried going into delete but whem i do that the events are not shown.
Thanks
George

 

[Hadron]

Can you work out which calendar they are part of and set it not to display that calendar?

Otherwise using a different calendar app might be the simplest solution.