The donatary system was bestowed upon Henry the Navigator at an unknown time .
Henry the Navigator 's order to introduce livestock ( goats , cattle , pigs , etc . ) on the islands suggests Henry the Navigator he would have received jurisdiction between 1432 and 1438 .
The donatary system was bestowed upon Henry the Navigator at an unknown time , but his order to introduce livestock ( goats , cattle , pigs , etc . ) on the islands suggests that he would have received jurisdiction between 1432 and 1438 .