banned the speaking of any language other than English in public
... that the governor of Iowa banned the speaking of any language other than English in public in 1918?
... that the governor of Iowa <b id="mwBRE"><a href="./Babel_Proclamation" id="mwBRI" rel="mw:WikiLink" title="Babel Proclamation">banned the speaking of any language other than English in public</a></b> in 1918?