Complex sentence: The Taekwondo Association of Great Britain (TAGB) was inaugurated in August 1983 and was a break-away organisation originally part of the United Kingdom Taekwondo Association (UKTA) under the leadership of Rhee Ki-ha.
Split into simpler sentences: The Taekwondo Association of Great Britain (TAGB) was inaugurated in August 1983. It was originally part of the United Kingdom Taekwondo Association (UKTA) under the leadership of Rhee Ki-ha.