Dia do Fico

Etymology
lit. 'I Stay Day'.

From the speech that gave on this day: "Se é para o bem de todos e felicidade geral da Nação, estou pronto! Digam ao povo que fico." ("Since it is for the good of all and the general happiness of the Nation, I am willing. Tell the people that I am staying.").

Proper noun

 * 1)  the date January 9, 1822, when  announced that he was going to stay in Brazil, which  in September 7 of the same year