Calendars under the sign "IKC"
Regaining independence in 1918 r. It brought a huge development of calendars. Hundreds of them appeared every year in the interwar years. Various: from 365-366-card board board, Sentences, frizzes, lines, tips, reminders, anecdotes etc.. Pocket calendars have also gained extraordinary popularity, issued by various private companies and social associations, Finally - regional calendars. Some newspapers and magazines as well as political parties and social organizations also published their calendars. So - "Gazeta Porana", "Głos Podhala", "Polish Courier", "Western Courier", "Dziennik Bałtycki" etc..
However, the "IKC calendar" undoubtedly gained the greatest popularity of all pre -war calendars, Pressed in the years 1928–1939 by the Krakow press concern of the "Illustrated Daily Courier".
He was "allist", "General" and "universal" at the same time. It contained permanent sections, especially devoted to the history of astronomy and cultural history. They were in him and Kuriosa, however, the quaintage for fun, science and entertainment. The calendar was of course loyal to the government and focused primarily on the clientele of intellectual circles and the middle class. "IKC calendar" entertained and taught, but he also confirmed the inherent in people the need to faith in the various strangeness of the world and nature. Against the background of many others - he was distinguished by the level. His life (Just like many other calendars) However, it ended with the outbreak of war, And with him - one of the more colorful chapters of Polish calendarology.