In 850 AD. There was a man named Kaldi who discovered coffee. In 1100 AD the Arabs were the first ones to make roasted coffee. In 1475 the first coffee shop opened at Constantinople. In 1600-1822, roasted coffee was spread throughout the world. In 1822, the first prototype of an espresso machine was made. Ya ! In 1905, the first commercial for coffee was made in Italy. In 1995, coffee is the most poplar drink and still is today.