Another cause of sore throat is allergies that promote postnasal drip. There are, however, more serious conditions of the sinuses and throat that may cause the throat to be sore. If you are experiencing an ongoing sore throat, ask your ear, nose, and throat specialist to examine you.
1907: Samuel Simon patented the first screen printing method in Manchester, England, which was most commonly applied to wallpaper and expensive fabrics. He used rubber bands or squeegees, which are still commonly used in the screen printing process today.
According to most historians, the printing press was invented by Gutenberg, in Mainz, in the Holy Roman Empire (Germany) in 1441, or about that time.irst printing press was invented in China by Bi Sheng in 1040 by movable terracotta, before popularised in Europe by Johnnes Guttenburg in 1443.