History of the Slovak language ). The usage of Czech in Slovak environment resulted to the Slovakized Czech language - a variant of cultural Czech with Slovak elements. This variant existed since the penetration of Czech to present-day Slovakia and was used e.g. in city books, official correspondence, etc. Early writings had a various frequency of Slovak elements caused by a poor knowledge of standard Czech among many Slovak native speakers, the influence of vernacular language and cultural Slovak. The normalized form of Slovakized Czech existed since the 17th century. In the normalized form, Czech letters and words were systematically replaced by their Slovak equivalents.
Day of the Sun banks, and retail close for the Day of the Sun. It is also a common holiday for weddings. The Day of the Sun is followed by two days of rest, making it a three-day holiday. The day following the Day of the Sun typically features political meetings in which the Ten Principles of the ideological system are sworn allegiance for. A similar holiday exists for 16 February, the birthday of former leader Kim Jong-il, known as the Day of the Shining Star. The two-month period between the Day of the Shining Star and the Day of the Sun is known