Complex sentence: After the defeat of the Optimates at the Battle of Munda, however, he was elected to the office for 1 year, which was quite unusual; dictatorial appointments were for six months, and usually ended much sooner (see "Cincinnatus").
Split into simpler sentences: After the defeat of the Optimates at the Battle of Munda, however, he was elected to the office for 1 year, which was quite unusual. Dictatorial appointments were for six "months"-and usually ended much sooner (see "Cincinnatus").