In <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Dorchester,_Massachusetts" id="mwYQ" rel="mw:WikiLink" title="Dorchester, Massachusetts">Dorchester, Massachusetts</a>, <a href="https://en.wikipedia.org/wiki/John_Winthrop" id="mwYg" rel="mw:WikiLink" title="John Winthrop">John Winthrop</a> takes the oath of office and becomes the first <a href="https://en.wikipedia.org/wiki/List_of_colonial_governors_of_Massachusetts" id="mwYw" rel="mw:WikiLink" title="List of colonial governors of Massachusetts">Governor of Massachusetts</a>.