<!DOCTYPE html>
<html lang='en'>
  <head>
    <meta charset='utf-8' />
    <script src='https://cdn.jsdelivr.net/npm/fullcalendar@6.1.9/index.global.min.js'></script>
    <script src='https://cdn.jsdelivr.net/npm/fullcalendar/multimonth@6.1.9/index.global.min.js'></script>
    <script src='https://cdn.jsdelivr.net/npm/fullcalendar/adaptive@6.1.9/index.global.min.js'></script>
    <script src='https://cdn.jsdelivr.net/npm/fullcalendar/core/locales/de@6.1.9/index.global.min.js'></script>
    <script src='cal.js'></script>
    <link rel="stylesheet" href="cal.css">
  </head>
  <body>
    <div id='calendar'></div>
  </body>
</html>