<a href="https://en.wikipedia.org/wiki/Roald_Amundsen" id="mwuw" rel="mw:WikiLink" title="Roald Amundsen">Roald Amundsen</a> leaves <a href="https://en.wikipedia.org/wiki/Oslo" id="mwvA" rel="mw:WikiLink" title="Oslo">Oslo</a>, Norway, to commence the first east–west navigation of the <a href="https://en.wikipedia.org/wiki/Northwest_Passage" id="mwvQ" rel="mw:WikiLink" title="Northwest Passage">Northwest Passage</a>.