Baden entered as a state of the Weimar Republic the year following the revolution, and subsequently went through several changes and redistricting after World War II.

The House of Baden is a junior branch of the House of Zähringen, which itself is related to the Hohenstaufen family, and was founded by Hermann I of Baden, The Margrave of Verona, son of Berthold I, The Duke of Carinthia, in the eleventh century.

The arms of the house of Zähringen share the same tinctures with its junior branch, though they display a red eagle on a yellow shield.

The first picture of the coat of arms with the bend dates from the year 1243, but it may have already been in use before this.

[2] The Wijnbergen Armorial, compiled from the years 1265 to 1270, lists the arms of "le margreue de badene" as "d'or à la bande de gueules.