The following has been lifted from the Oulu Tourism web pages, and the [highlight=white]"LOOK at OULU"[/highlight] booklet (available at info points in Oulu & at Oulunsalo airport.)

Oulu 2006
EVENTS in 2006

January
16. - 21.01.: VII National Leevi Madetoja Piano Competition

February
11. - 11.02.: National handicrafts fair
20. - 26.02.: 25th International theatre festival for children and young people
20. - 26.02.: National literature festival for children and young people

March
03. - 05.03.: Outdoor winter swimming finnish championships
11.03.: 117th Oulu tar ski race - The world´s oldest non-stop long-distance skiing event
12.03.: Children's Tar Ski - skiing competition
15. - 17.03.: Artic steps - National dance review for people aged 13 and over
24. - 26.03.: 32nd Ice Angling marathon - world's longest continuous ice angling competition

April
08. - 09.04.: XXIV White City Volleyball Tournament
21. - 23.04.: Oulu building fair
29. - 30.04.: 27th American cars show

May
05. - 07.05.: Summer Garden 2006 Garden Fair
10. - 11.05.: Maintenance 2006 - Exhibitions and Congress
13. - 14.05.: All-breed dog show
20.05.: Tar jog and marathon
25.05.: Naistenkumppi - women's 10km fun run
27. - 29.05.: National church festival
May : 13th Tanssia tyrkylla Dance Festival
May : 82nd International Oulu Runaround

June
11.06.: Finnish Road Wlaking Championship
16. - 17.06.: 22nd Tar rowing on the River Oulu
23. - 28.06.: Tar burning week
June: Tar burning events

July
01.07.: Midnight golf
06. - 09.07.: Finnish Swmming Championships
09. - 10.07.: Oulu cup 2006 - Largest junior football event in Northern Finland
12. - 15.07.: Rotuaari piknik inner-city festival
20.-22.07.: 17th Garlic Night
23. - 25.07.: Weekend of traditions - demonstrations of old work traditions
28. - 30.07.: Suven savel Summer Music Festival
29.07 - 05.08.: IX Oulunsalo Music Festival
July .: XXII Oulun Pokaali Steeplechase event
July .: QStock rock festival

August
03 .- 06.08.: Nordic Naval Cadet Festival
04. - 06.08.: EloJazz and Blues
10. - 13.08.: 10th International Oulu Grand Fair
12.08.: Classic night
18. - 19.08.: Jalometalli 2005 - heavy-metal music festival
25.08.: Kortelihaipakka - family event

September
01. - 03.09.: 45th Oulu Festival
06. - 10.09.: 13th Oulu Music video festival inc. 10th Air Guitar World Championships
16.09.: Onnenmaa - great evening of entertainment

October
07. - 08.10.: International dog show

November
20. - 26.11.: 25th International children's film festival

The dates of Oulu Music Video Festival and Air Guitar World Championships have changed:
The events will be arranged 6 - 10 September 2006.
See further info: http://www.omvf.net/

Thanks zam, I've made the corrections.

The Oulu Music Festival's webpages, in English can be found HERE.