Good day. A brand new Medieval Fair will take place on April 10th & 11th (FRI & SAT) in Ada, OK.
http://www.travelok.com/listings/view.profile/id.22341 (http://www.travelok.com/listings/view.profile/id.22341)
The Heavener Viking/Celtic Festival will be on April 11th & 12th in Heavener, OK at the Runestone Park. I hope you can make it to one or both of these events.
https://www.facebook.com/ann.eckart?fref=nf# (https://www.facebook.com/ann.eckart?fref=nf#)!/pages/Heavener-Runestone-VikingCeltic-Folk-Festival/252169061500605?fref=ts