Complex sentence: Debs was elected associate editor of the BLF's monthly organ, "Firemen's Magazine", in 1878 and appointed Grand Secretary and Treasurer of the BLF and editor of the magazine in July 1880.
Split into simpler sentences: Debs was elected associate editor of the BLF's monthly organ, "Firemen's Magazine", in 1878. Two years later, he was appointed Grand Secretary and Treasurer of the BLF and editor of the magazine in July 1880.