Can you import events from a .cvs file into the Events database to have them show in My Events page?
You can’t do that.
https://support.wix.com/en/article/creating-an-event-in-wix-events
See the Wix Events app collections here.
https://support.wix.com/en/corvid-by-wix/wix-events-with-corvid
This question is not code related and therefore should be directed to Wix Support instead.
https://support.wix.com/en/article/contacting-wix-support