The flag of Baton Rouge flies on a cloudy day.

"The Baton Rouge Flag is a field of crimson representing the great Indian Nations that once inhabited the area. The crest on the lower left uses the red, white and blue, representing the colors of the United States. The upper left of the shield is the fleur-de-lis of France, the upper right is the Castille of Spain, and the lower potion is the Union Jack of Great Britain. The crest encompasses the emblems of the three foreign countries, whose flags have flown over Baton Rouge. The name "Baton Rouge" in white appears prominently on the field of crimson." [1] Fleurs-de-lys on the flag of Quebec The fleur-de-lis (also spelled fleur-de-lys; plural fleurs-de-lis or -lys) is used in heraldry, where it is particularly associated with the France monarchy (see King of France). ... A former kingdom of Spain, Castile comprises the two regions of Old Castile in north-western Spain, and New Castile in the centre of the country. ... Flag Ratio: 1:2 Union Jack is the commonly used name for the Union Flag of the United Kingdom of Great Britain and Northern Ireland. ...