"The Twelve Months" is a Slovak fairy tale, which was first mentioned by a Czech writer, scholar, physician, lexicographer, canon of the st.Vitus Cathedral in Prague and a master of the University of Prague in the 14th century - , who mentions the fairy tale as a preaching exemplum. It was later collected by one of the most famous Czech writers - Božena Němcová. The fairy tale was later adapted as a theater play by a Russian writer, Samuil Marshak in 1943, and subsequently in the Soviet cinematography. There's also a Czech film adaptation from 2012.