unanimous decision in 1979
... that, in a unanimous decision in 1979, the U.S. Supreme Court held that complaints by a teacher that her principal described as "petty and unreasonable demands" were protected free speech?
... that, in a <b id="mwBR4"><a href="./Givhan_v._Western_Line_Consolidated_School_District" id="mwBR8" rel="mw:WikiLink" title="Givhan v. Western Line Consolidated School District">unanimous decision in 1979</a></b>, the <a class="mw-redirect" href="./U.S._Supreme_Court" id="mwBSA" rel="mw:WikiLink" title="U.S. Supreme Court">U.S. Supreme Court</a> <a href="./Holding_(law)" id="mwBSE" rel="mw:WikiLink" title="Holding (law)">held</a> that complaints by a teacher that her principal described as "petty and unreasonable demands" were protected <a href="./Freedom_of_speech_in_the_United_States" id="mwBSI" rel="mw:WikiLink" title="Freedom of speech in the United States">free speech</a>?