The world in 1539 AD — what happened that year

7 events the sources record for this year, grouped by region.

What happened

Prester John loses the Red Sea coast through negligence and the Turks take it (Lopes & Pigafetta, Report of the Kingdom of Congo 본문 「The Empire of Prete Gianni」 단락 (part_03 줄 38))
Ismail sends Songhai troops on a campaign, then dies (Tarikh al-Sudan (Chronicle of the Sudan) Houdas 1900 불역 장 XV (houdas1900_fr_djvu.txt 줄 7486))
After elder brother Ismail's death, younger brother Ishaq is proclaimed king (Tarikh al-Sudan (Chronicle of the Sudan) Houdas 1900 불역 장 XVI (houdas1900_fr_djvu.txt 줄 7497))

Robledo, appointed by Aldana, founded the town of Anserma. (Cieza de León, Chronicle of Peru ch. XVI (Gutenberg 48770 l.4310))
Lorenzo de Aldana founded the town of Pasto (1539). (Cieza de León, Chronicle of Peru ch. XXXIV (Gutenberg 48770 l.5972))
After several fights with natives, Gómez de Alvarado founded the city of León de Huánuco (1539). (Cieza de León, Chronicle of Peru ch. LXXIX (Gutenberg 48770 l.10062))
Pizarro founded San Juan de la Victoria de Huamanga (9 January 1539). (Cieza de León, Chronicle of Peru ch. LXXXVII (Gutenberg 48770 l.10709))