Peter, Duke of Coimbra

Dom Peter, Duke of Coimbra, KG, was a Portuguese infante (prince) of the House of Aviz, son of King Dom John I of Portugal and his wife, Philippa of Lancaster, daughter of John of Gaunt. In Portugal, he is known as Infante Dom Pedro das Sete Partidas [do Mundo], "of the Seven Parts [of the World]" because of his travels. Possibly the best-travelled prince of his time, he was regent between 1439 and 1448. He was also 1st Lord of Montemor-o-Velho, Aveiro, Tentúgal, Cernache, Pereira, Condeixa and Lousã.

9 December 1392

Born on the same birth day (9 December): Chenghua Emperor • Empress Masako • Francisco S. Carvajal • Henk ten Cate • Jermaine Beckford • Joe Ausanio • Mardy Fish • McKayla Maroney • Milt Campbell • Pierre Henry • Ángel Guirado