Karen
... that in 1994, Karen became the first orangutan to have open heart surgery?
... that in 1994, <b id="mwAl4"><a href="./Karen_(orangutan)" id="mwAl8" rel="mw:WikiLink" title="Karen (orangutan)">Karen</a></b> became the first <a href="./Orangutan" id="mwAmA" rel="mw:WikiLink" title="Orangutan">orangutan</a> to have open heart surgery?