Weaving the Multilingual Web - 15th International Unicode Conference, 31 August 1999

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"
    "http://www.w3.org/TR/REC-html40/strict.dtd">
<html>
 <head>
  <title>My first HTML document</title>
 </head>
 <body>
  <p>Hello world!</p>
 </body>
</html>

Example of HTML