October 6th, 2006 (Friday)
- A beautiful day brings out the beginning of the Fall colors.
October 7th, 2006 (Saturday)
- The Lotus Festival begins.
October 18th, 2006 (Wednesday)
- The new Wal-Mart Supercenter opens to the public.
October 27th, 2006 (Friday)
- The Jacobs School of Music announces that Leonard Slatkin will be joining the faculty at IU
- The FBI handed Christopher Soghoian a written notice to remove the boarding pass generator site and later that evening got a warrant and ransacked his apartment.
October 28th, 2006 (Saturday)
- FBI raid of Christopher Soghoian's apartment happens around 02:00
October 29th, 2006 (Sunday)
- 2am - Daylight Saving Time ends. The clocks roll back 1 hour.
October 31st, 2006 (Tuesday)
- Dennis James plays the pipe organ at the Indiana University Auditorium in accompaniment to the 1925 Phantom of the Opera