In 1975 a heraldic commission of the Ministry of Interior was created in order to give recommendations to municipal councils on the use of coats of arms.
[9] In the 13th century, German settlers commenced the cultivation of wine in the Little Carpathians region of western Slovakia.
[clarification needed][18] St. Katherine's cult became significant in several German inhabited mining towns in the northern part of the ancient Kingdom of Hungary, today's Slovakia, and her popularity there suggests that she was venerated as a miners' saint.
[19][20] As a consequence, her attribute - a breaking wheel - is considered a mining symbol in modern Slovak municipal heraldry.
[28] In order to provide correct use of ecclesiastic coats of arms, the Episcopal Conference of Slovakia in 2008 adopted canonic regulations[29] and established its own heraldic consultant.
[30] In support of all those interested in genealogy, heraldry and other related disciplines, there is a Slovak genealogical-heraldic society.