Complex sentence: It is part of an English dramatic tradition of revenge dramas which began around 1587 with the first performances of The Spanish Tragedy, by Thomas Kyd, who is also thought to have written an early version of Hamlet.
Split into simpler sentences: It is part of an English dramatic tradition of revenge dramas which began around 1587 with the first performances of The Spanish Tragedy, by Thomas Kyd. Kyd is thought to have written an early version of Hamlet.