<a href="https://en.wikipedia.org/wiki/Pierre_Barrière" id="mwLQ" rel="mw:WikiLink" title="Pierre Barrière">Pierre Barrière</a> failed an attempt to assassinate <a href="https://en.wikipedia.org/wiki/Henry_IV_of_France" id="mwLg" rel="mw:WikiLink" title="Henry IV of France">Henry IV of France</a>.