Organizace Oklahoma KO pořádala první akci 27. 10. 2007 pod názvem 'Oklahoma KO - Nightmare in the Jungle 1' (Adair, Oklahoma, USA, United States).
Do dnešního dne uspořádala celkem 5 akcí (USA).
Oklahoma KO
| Datum | Země | Název, adresa |
|---|---|---|
| 15.10.2011 |  | Oklahoma KO - Nightmare in the Jungle 5 Mayes County Fairground, Pryor, Oklahoma, United States |
| 16.10.2010 | | Oklahoma KO - Nightmare in the Jungle 4 Mayes County Fairgrounds, Pryor, Oklahoma, United States |
| 24.10.2009 | | Oklahoma KO - Nightmare in the Jungle 3 Mayes County Fairgrounds, Pryor, Oklahoma, United States |
| 25.10.2008 | | Oklahoma KO - Nightmare in the Jungle 2 Adair, Oklahoma, USA, United States |
| 27.10.2007 | | Oklahoma KO - Nightmare in the Jungle 1 Adair, Oklahoma, USA, United States |