Grab upcoming public events from Springfield, Illinois community events calendar, filter out private or members-only events, and clean up duplicate postings

Documented steps

1. Access the Springfield, Illinois community events calendar via the city government portal
2. Set the date window to capture future events only (recommended: next 90 days from current date)
3. Apply sorting by event start date ascending to consistently retrieve upcoming events in chronological order
4. Uncheck the 'Private' checkbox in the event filters to exclude private events
5. Uncheck the 'Members Only' checkbox in the event filters to exclude members-only events
6. Exclude any events displaying 'Private' or 'Members Only' badge labels in the event listing cards
7. Extract recurrence information from the 'Event Details' or 'Description' text field where recurrence notes appear
8. Clean up duplicate postings by comparing event title, date, time, and location across all retrieved results
9. Handle pagination by verifying total page count before iterating; manually adjust page parameters when pagination jumps past reality