Complex sentence: After the establishment of democracy, Cleisthenes commissioned the sculptor Antenor to produce a bronze statue group of Harmodius and Aristogeiton that was erected in the Kerameikos in 509, as part of a cenotaph of the heroic couple.
Split into simpler sentences: After the establishment of democracy, Cleisthenes commissioned the sculptor Antenor to produce a bronze statue group of Harmodius and Aristogeiton. XXXIV, 17 as part of a cenotaph of the heroic couple.