Port of Amsterdam
... that the earliest activities of the Port of Amsterdam, today the Netherlands' second largest port, date back to the 13th century?
... that the earliest activities of the <b id="mwA7Q"><a href="./Port_of_Amsterdam" id="mwA7U" rel="mw:WikiLink" title="Port of Amsterdam">Port of Amsterdam</a></b>, today the <a href="./Netherlands" id="mwA7Y" rel="mw:WikiLink" title="Netherlands">Netherlands</a>' second largest port, date back to the 13th century?