Eddie, these are ranked calendars plugins (free ones), according to recommendations of the users in numerous groups:
https://wordpress.org/plugins/spiffy-calendar/
https://wordpress.org/plugins/the-events-calendar/
https://wordpress.org/plugins/my-calendar/
https://wordpress.org/plugins/event-organiser/
https://wordpress.org/plugins/events-made-easy/
https://wordpress.org/plugins/events-manager/
https://wordpress.org/plugins/spider-event-calendar/
https://wordpress.org/plugins/chronosly-events-calendar/
https://wordpress.org/plugins/event-tickets/
https://wordpress.org/plugins/all-in-one-event-calendar/
Sent from my Samsung Galaxy smartphone.
