from datetime import datetime, timedelta

def cleanupEvents(db, Event):
    # calculate the date one month ago
    one_month_ago = datetime.now() - timedelta(days=30)

    # get events older than one month
    old_events = db.session.query(Event).filter(
        db.func.STR_TO_DATE(Event.scheduled_date, '%m-%d-%Y') < one_month_ago.date()
    ).all()

    # delete old events
    for event in old_events:
        db.session.delete(event)

    db.session.commit()