Complex sentence: Soon thereafter, the Seppelts planted vines that flourished, and by 1867, Joseph had begun construction of a full scale winery and by 1878, the port store cellar was completed.
Split into simpler sentences: Soon thereafter, the Seppelts planted vines that flourished. By 1867, Joseph had begun construction of a full scale winery, and by 1878, the port store cellar was completed.