Complex sentence: In the 24th year of his reign (473 BC), Goujian led another expedition, laying siege to the capital for three years before it fell; when a surrender from Fuchai was refused he committed suicide, and Wu was annexed by Yue.
Split into simpler sentences: In the 24th year of his reign (473 BC), Goujian led another expedition, laying siege to the capital for three years before it fell. When a surrender from Fuchai was refused, he committed suicide, and Wu was annexed by Yue.