Castillo de la Real Fuerza
...that the 16th-century Castillo de la Real Fuerza in Havana is the oldest stone fortress in the Americas?
...that the 16th-century <b id="mwEBI"><a href="./Castillo_de_la_Real_Fuerza" id="mwEBM" rel="mw:WikiLink" title="Castillo de la Real Fuerza">Castillo de la Real Fuerza</a></b> in <a href="./Havana" id="mwEBQ" rel="mw:WikiLink" title="Havana">Havana</a> is the oldest stone fortress in the <a href="./Americas" id="mwEBU" rel="mw:WikiLink" title="Americas">Americas</a>?