BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:674bf583d8096c92c9c19fd58ded2bbdhttps://gba-vietnam.org
                        DTSTAMP:20260309T182752
                        DTSTART:TZID=20170911T000000
                        DTEND:TZID=20170911T000000
                        SUMMARY:GBA Monthly Business Meeting
                        DESCRIPTION: 
                        END:VEVENT
                        END:VCALENDAR