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.
The invention of the printing press took place in approximately 1450 AD, by a German inventor by the name of Johannes Gutenburg. During this time, there were many cultural changes in Europe which sparked the requirement of a quick, inexpensive method of producing large amounts of documents.