Complex sentence: Between 1818 and 1820, they simultaneously published one of the nation's earliest abolitionist newsletters, the "Wester Monitor and Relgious Observer", and in 1820, the "Register" mourned the death of noted Jonesborough abolitionist, Elihu Embree.
Split into simpler sentences: Between 1818 and 1820, they simultaneously published one of the nation's earliest abolitionist newsletters, the "Wester Monitor and Relgious Observer". In 1820, the "Register" mourned the death of noted Jonesborough abolitionist, Elihu Embree.