The invention of printing

The German master Johannes Gutenberg (between 1394 and 1406-1468) was the first to combine all inventions in one technical device and came up with the technology that provided the printing of easy-to-read, straight lines. In the middle of the XV century. in the city of Mainz, he printed the Bible.
Until the end of the 15th century. printing houses appeared in Italy, Sweden, France, Denmark and other countries. The number of books has increased dramatically: it is no coincidence that from the 16th century. Most of the largest European libraries trace their history.
In Russia, the first printing house was founded in 1563 by Ivan Fedorov (c. 1510-1583).

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.