John Sigismund Zápolya
... that John Sigismund Zápolya, the only Unitarian monarch in history, was the first Prince of Transylvania?
... that <b id="mwBmE"><a href="./John_Sigismund_Zápolya" id="mwBmI" rel="mw:WikiLink" title="John Sigismund Zápolya">John Sigismund Zápolya</a></b>, the only <a href="./Unitarianism" id="mwBmM" rel="mw:WikiLink" title="Unitarianism">Unitarian</a> monarch in history, was the first <a href="./Prince_of_Transylvania" id="mwBmQ" rel="mw:WikiLink" title="Prince of Transylvania">Prince of Transylvania</a>?