History of Medicine Early Days Almanacs have been a part of American life since its very beginning. One of the first books printed in English America was an almanac. By the mid-18th century the almanac had become, after the Bible, the book most likely to be found in ordinary homes. Produced annually, almanacs provided practical information and entertainment. The main feature was a calendar which showed the months and days, the positions of the moon and the planets, religious and civil commemorations, and weather predictions, sometimes decorated with an illustration of a seasonal scene or the sign of the zodiac. Medieval almanacs showed the church’s feast and fast days.