Maria I of Portugal did not live to see the creation of the Portuguese Republic.
Dona Maria I -LRB- English : Mary I ; 17 December 1734 -- 20 March 1816 -RRB- was Queen of Portugal , Brazil , and the Algarves.
After the 1910 revolution deposed the monarchy , the democratic but unstable Portuguese First Republic was established , later being superseded by the Estado Novo right-wing authoritarian regime.
