<a href="https://en.wikipedia.org/wiki/Northern_Crusades" id="mwOA" rel="mw:WikiLink" title="Northern Crusades">Northern Crusades</a>: Danish victory at the <a href="https://en.wikipedia.org/wiki/Battle_of_Lyndanisse" id="mwOQ" rel="mw:WikiLink" title="Battle of Lyndanisse">Battle of Lindanise</a> (modern-day <a href="https://en.wikipedia.org/wiki/Tallinn" id="mwOg" rel="mw:WikiLink" title="Tallinn">Tallinn</a>) establishes the Danish <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Danish_Estonia" id="mwOw" rel="mw:WikiLink" title="Danish Estonia">Duchy of Estonia</a>.