Treaty of Versailles | Treaty of Trianon | Treaty of Utrecht | Treaty of Aix-la-Chapelle | Treaty of Berlin (1878) | Treaty of Rome | Treaty of Lisbon | Treaty of Campo Formio | Treaty of Berlin | Treaty of Aix-la-Chapelle (1748) | Maastricht Treaty | Treaty of the Pyrenees | Treaty of Saint-Germain-en-Laye (1919) | Treaty of Guadalupe Hidalgo | Penn Treaty Park | Lateran Treaty | Washington Naval Treaty | Treaty of San Stefano | Treaty of Roskilde | Treaty of Nice | Treaty of Frankfurt | Treaty of Brest-Litovsk | Treaty of Bassein | Treaty of Basel | Patent Cooperation Treaty | Treaty of Waitangi | Treaty of Schönbrunn | Treaty of Ryswick | Treaty of Punakha | Treaty of Madrid |
Lotharingia was divided for much of the later ninth century, reunited under Louis the Younger by the 880 Treaty of Ribemont and upon the death of East Frankish king Louis the Child in 911 it joined West Francia under King Charles the Simple.