Past events and Future Events

Add Event History Tracking: Display a list of past events attended by the user.
Integrate Calendar APIs: Integrate Google Calendar, Eventbrite, and Meetup for event scheduling.
Schedule Future Events: Add functionality to schedule events directly from the app.
Send Event Reminders: Implement notification reminders for upcoming scheduled events.

Start by mapping the existing app entry points for events, user history, scheduling, and notifications; no files or tests are named in the issue. Define completion around displaying attended past events, integrating Google Calendar, Eventbrite, and Meetup, scheduling future events, and sending reminders.

Written by the indexing model from the issue text.