<a href="https://en.wikipedia.org/wiki/Albert_Einstein" id="mwaA" rel="mw:WikiLink" title="Albert Einstein">Albert Einstein</a> publishes the third of his <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Annus_Mirabilis_papers" id="mwaQ" rel="mw:WikiLink" title="Annus Mirabilis papers">Annus Mirabilis papers</a>, introducing the special theory of relativity.