HTML 5 structure and multimedia

A <header> section can contain headings

But other stuff too... Like navigation <nav>

Your browser don't support object tag :( it contain navigation
<= This is a date using the <time> tag.

This will be an article section

This is an <article>. And we can reuse the <h1> heading tag (in an <header> section). Let see how it render it in different browsers?
Let use a <section> as a container into which we will test the multimedia tags. The <audio> tag to have sound:

  © 1999 Explosion de Caca.

And why not testing also <video>.

 Test the format .