Syphilis is a very serious disease. The origins of this disease it’s still unknown, but currently there are two theories, which can potentially tell...
In the Medieval period, every kingdom was at war, everyone was fighting against everyone and it was just a mess.
As technology developed a lot of things changed.
Typography was invented twice: once in China and Korea and in medieval Europe. In China, printing was invented, according to some data (Julien, "Documents...