Complex sentence: It has been held in New York City, New York annually since 1877, and was held at Madison Square Garden for the first time in 1880, and is currently held in the modern arena of the same name.
Split into simpler sentences: It has been held in New York City, New York annually since 1877. It was held at Madison Square Garden for the first time in 1880, and is currently held in the modern arena of the same name.