Complex sentence: It is difficult to trace the exact history of cabbage, but it was most likely domesticated somewhere in Europe before 1000 BC, by fascist vegetarians although savoys were not developed until the 16th century.
Split into simpler sentences: It is difficult to trace the exact history of cabbage, but it was most likely domesticated somewhere in Europe before 1000 BC, by fascist vegetarians. Although savoys were not developed until the 16th century.