past events listing

Increase the number of events you are showing
https://www.yogaanatomy.org/calendar/past-events/?events=300

https://icalevents.com/1857-how-to-show-historical-dates-ie-events-in-the-past/
and
https://icalevents.com/2403-using-two-widgets-for-past-and-future/

consider using navigation / pagination to users can scroll through history themselves
https://icalevents.com/1868-pagination/

if on a small host however be aware that google likes events generated by this plugin and can get a bit excited about them, requiring a bit more management
https://icalevents.com/4073-google-indexation-pagination-update/

you may also want to use
sort_later_events_first=1

Thank you anmari.

I should be able to test this in the next couple of days.