<a href="https://en.wikipedia.org/wiki/Byzantine–Norman_wars" id="mwNA" rel="mw:WikiLink" title="Byzantine–Norman wars">Byzantine–Norman wars</a>: <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Italo-Norman" id="mwNQ" rel="mw:WikiLink" title="Italo-Norman">Italo-Normans</a> begin a <a href="https://en.wikipedia.org/wiki/Siege_of_Bari" id="mwNg" rel="mw:WikiLink" title="Siege of Bari">nearly-three-year siege of Bari</a>.