2015 junior national dates

Does anyone know when the 2015 Junior national hereford, simmental, charolais, shorthorn and maine shows will be held?  Thanks a bunch.

Herefords are in Grand Island June 27-July 3 in 2015 and in 2016 in Madison, Wi July 9-July 16

Simmentals are July 5-12 in College Station, TX.

National Junior Limousin Show and Congress, Tulsa, OK - June 27-July 3, 2015
National Junior Shorthorn - Grand Island, NE - not sure of the dates
North American Red Angus Junior Show - Grand Island, NE not sure of the dates
National Junior Angus Show - I am pretty sure they are in Tulsa, OK - not sure of the dates