Intro to HTML

Today in class we were introduced to HTML. One thing I want to learn is who created the HTML code? A second thing I want to learn is what did earlier HTML versions look like? A third thing I want to learn is how many tags are there to identify each document for HTML? One thing I have learned is HTML is abbreviated for Hyper Text Markup Language. A second thing I have learned is that HTML has been used since the '90s. One thing I am concerned about making a webpage is writing up the wrong code or writing it wrong.