Categories History JavaScript Software Engineering W3C XML Markup Language Invented – 1998 AD Post author By Cloud Monk Post date November 13, 2020 Return to Timeline of the History of Computers XML is a markup language, with the specification for XML being developed by W3C and recommended on February 10, 1998. Fair Use Sources: Tags 1990s, 1998 AD, 20th Century, American Inventions, History, Inventions, IT Computing History, Markup Languages, Programming History, Programming Languages, Software, Software Engineering, W3C, Web Programming, XML Markup Language