President <a href="https://en.wikipedia.org/wiki/Jânio_Quadros" id="mwAQg" rel="mw:WikiLink" title="Jânio Quadros">Jânio Quadros</a> of Brazil resigns after just seven months in power, initiating a political crisis that culminates in <a href="https://en.wikipedia.org/wiki/1964_Brazilian_coup_d'état" id="mwAQk" rel="mw:WikiLink" title="1964 Brazilian coup d'état">a military coup in 1964</a>.