On the other hand, Ray lists the following as having been called wars between democracies, with broader definitions of democracy: The American Revolution including the Fourth Anglo-Dutch War, the French Revolutionary Wars, the War of 1812, the Belgian Revolution, the Sonderbund War, the war of 1849 between the Roman Republic and the Second French Republic, the American Civil War, the Spanish–American War, the Second Philippine War, the Second Boer War, World War I, World War II (as a whole, and also the Continuation War by itself), the 1947–1949 Palestine war, the Indo-Pakistani War of 1947–1948, the Six-Day War, the Yugoslav Wars, and the First Nagorno-Karabakh War. Many Native American tribes also had democratic forms of government, and they often fought each other up until the late 19th century, as did many tribes of Norsemen during the Middle Ages.