The Roman Empire use Glass making was very important during the Roman Empire The Romans started to in glass in windows in buildings. Glass windows were fitted in the most important buildings Rome They made beautiful windows with complicated designs. Having beautiful buildings with beautiful windows in them was very important in Roman times The Romans also used glass to create pieces of art some of the art they made can still be seen in museums today During the Roman Empire, glass making become popular all across Europe. The Islamic World was When the Roman Empire collapsed glass making stopped in Europe. However, glass 9th still very important in the Islamic world and there were many developments there In the century, the inventor and scientist, Abbas Ibn Firnas invented the first clear glass, without any colour in it. Before that, glass was a tube or green colour Abbas Ibn Firnas was a very famous inventor, who invented many different things. He invented comective lenses, which helped people with bad vision. These were made of clear glass. Then, by 11 h century, clear glass mirrors were produced in lslamic Spain and the first glass factories were built The glass made in factories was sent to all over the world. Europe