Complex sentence: An example of this was the army of Macedon that was lustrated by a dog being cut in half, and the army assembling between the location of the two halves, which were flung in opposite directions.
Split into simpler sentences: An example of this was the army of Macedon. Lustratio was performed by a dog being cut in half, and the army assembling between the location of the two halves, which were flung in opposite directions.