While the north of Lotharingia was then composed of independent countries, the southern third of Lotharingia, Alsace-Lorraine, was traded back and forth between France and Germany from the 18th to the 20th century.
Sementara bagian utara Lotharingiakemudian terdiri dari negara-negara merdeka, sepertiga selatan Lotharingia, Alsace-Lorraine, diperdagangkan bolak-balik antara Prancis dan Jerman dari abad ke-18 hingga ke-20.