This indecisive battle took place on 4 October 1710, during the Great Northern War, in Køge Bay, just south of Copenhagen. Denmark had 26 ships of the line and 5 frigates with 1808 guns, and Sweden had 21 ships of the line and several frigates with 1512 guns. The Danish ship Dannebroge exploded and of and the 550-man crew only 9 survived. The Swedish ships Tre Kronor and Prinsessan Ulrika Eleonora ran aground. Because of the weather the battle could not continue.