Dannebrog ya iku kagolong gendéra nasional kang paling tua ing donya lan isih misuwur saha dimupangatake nganthi mangsa saiki, kanthi sumber paling anyar ya iku asalé saka abad ka-14. Sadurungé Dannebrog migunakake , prajurit Denmark ing mangsa iku wis nggunakaké Gendéra Gagak.
^Carol A. Foley. The Australian Flag: Colonial Relic or Contemporary Icon. William Gaunt & Sons. Dijupuk 2007-12-31. The Christian cross, for instance, is one of the oldest and most widely used symbols in the world, and many European countries, such as the United Kingdom, Norway, Sweden, Finland, Dhènemarken, Iceland, Greece and Switzerland, adopted and currently retain the Christian cross on their national flags.
^Andrew Evans. Iceland. Bradt. Dijupuk 2007-12-31. Legend states that a red cloth with the white cross simply fell from the sky in the middle of the 13-century Battle of Valdemar, after which the Danes were victorious. As a badge of divine right, Dhènemarken flew its cross in the other Scandinavian countries it ruled and as each nation gained independence, they incorporated the Christian symbol.
^Glenday, Craig (2009). Guinness World Records 2010: The Book of the Decade. Jim Pattison Group. k. 119.