4) Rocky Mountain Spotted Fever: This disease is caused by a bacterium known as Rickettsia rickettsia. This disease is not transmitted directly from your pet to you, but rather by ticks that your dog may carry.
Home Johann Gutenberg Johann Gutenberg. Johann Gutenberg invented the printing press in the 1450's, and the first book to ever be printed was a Latin language Bible, printed in Mainz, Germany. Gutenberg's Bibles were surprisingly beautiful, as each leaf Gutenberg printed was later colorfully hand-illuminated.
The Gutenberg Bible. The Gutenberg Bible is the first substantial book printed in the West with moveable metal type. Before its printing in 1454 or 1455, books were either copied by hand or printed from engraved wooden blocksâprocesses that could take months or years to complete.