Complex sentence: In 2005, for B.B. King's 80th birthday, Gibson made a special run of 80 Gibson Lucilles, referred to as the' 80th Birthday Lucille', and the first prototype was presented to King as a birthday present.
Split into simpler sentences: In 2005, for B.B. King's 80th birthday, Gibson made a special run of 80 Gibson Lucilles, referred to as the' 80th Birthday Lucille'. The first prototype was presented to King as a birthday present.