Complex sentence: The Wirehaired Vizsla was permitted to show in conformation in the AKC Miscellaneous Class starting January 1,2011 until its admission to the AKC Sporting Group as a fully recognized breed on July 2,2014.
Split into simpler sentences: The Wirehaired Vizsla was permitted to show in conformation in the AKC Miscellaneous Class starting January 1,2011. They joined the Sporting Group and became a fully recognized breed on July 2,2014.