An adelantado is a governor of a province, or a commander.

Agustin de Legazpi was the grandson of the Adelantado of Manila Miguel Lopez de Legazpi. Agustin was part of the infamous Conspiracy of the Maharlikas.

Juan de Onate was the first spanish 'adelantado' of New Mexico in 1597.

found in Texas:Crossroads of North Americaby Jesus de la Tejamy college Texas history textbook

You can say "Feliz cumpleaños por adelantado".

The most memorable event was in 1540. Cabeza de Vaca was appointed adelantado (governor) of the Río de la Plata in South America. His mission was to re-establish the settlement of Buenos Aires in present-day Argentina.