リュッツェンの戦い
Gustavus Adolphus Day is celebrated in Sweden and some other countries on 6 November in memory of King Gustavus Adolphus of Sweden, who was killed on that date (old style) in 1632 at the Battle of Lützen in the Thirty Years' War. The day is named for the king and is a general flag flying day in Sweden and in Finland.