[1] In December 1765, he was named Governor of the Rio de la Plata, based in Buenos Aires, where he arrived in August 1766.
[1] In carrying out the King's orders, which he did personally,[2] he set out in May 1768 in command of a military expedition that went up the Uruguay River with 1,500 soldiers.
[1] In 1770, Bucareli sailed to the Falkland Islands with five ships of war to evicted the British from Port Egmont.
Bucareli's position in Rio de la Plata had become untenable and he was recalled to Spain.
He spent some time in the Duchy of Parma and Piacenza in Italy, until 23 February 1773, when he was named Viceroy of Navarre.