Democracies have, a few times, issued formal declarations of war on other democracies, usually because of a war between a temporary allied nondemocracy and the other democracy. In such cases, the democracies have carefully avoided engaging in almost any real battle with one another. There seems to have been almost no deaths during the 369–362 BC war between Thebes and Athens, but at the same time, Sparta and Thebes fought numerous bloody battles. In the main battle in 362 BC, the Athenian infantry avoided joining the charge. Finland and the United Kingdom carefully avoided attacking one another during World War II despite a formal declaration of war.