Dozens are killed by Thai police and right-wing paramilitaries in the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Thammasat_University_massacre" id="mwxQ" rel="mw:WikiLink" title="Thammasat University massacre">Thammasat University massacre</a>; afterwards, the <a href="https://en.wikipedia.org/wiki/Seni_Pramoj" id="mwxg" rel="mw:WikiLink" title="Seni Pramoj">Seni Pramoj</a> government is toppled in a military coup led by <a href="https://en.wikipedia.org/wiki/Sangad_Chaloryu" id="mwxw" rel="mw:WikiLink" title="Sangad Chaloryu">Sangad Chaloryu</a>.