Ka dib markii uu geeriyooday Boqor Henry (31 Janaayo 1580), Francis of Portugal wuxuu ka mid ahaa xubnihii ugu yaraa ee aristocracy-ka sare si firfircoon u taageeray "Dom" António oo ah Boqorka Portugal. Waxaa loo magacaabay boqorka cusub inuu noqdo sarkaalkiisa, waxayna si wada jir ah uga qaybgaleen Dagaalkii Alcântara (1580)
, oo Lisbon ka difaacaysa ciidamada Spain, oo uu hogaaminayo Duke of Alba.