↑Barlow, Frank (April 1936). "The English, Norman, and French Councils Called to Deal with the Papal Schism of 1159". The English Historical Review. 51 (202): 264–268. doi:10.1093/ehr/LI.CCII.264. ISSN0013-8266. JSTOR553521. In September 1159 Pope Adrian IV died, and a double election was made to the Papacy. The imperialist faction chose Octavian, cardinal-priest of St. Cecilia, who took the title of Victor IV, and the church party Roland, the chancellor, who became known as Alexander III.
↑Dolan, Terence (2002) [1999]. "Chapter 8: Writing in Ireland". In Wallace, David (ed.). The Cambridge History of Medieval English Literature. Cambridge and New York: Cambridge University Press. p.208. ISBN9780521890465.
↑Karn, Nicholas (2007). "Nigel, bishop of Ely, and the restoration of the exchequer after the 'anarchy' of King Stephen's reign*". Historical Research. 80 (209): 299–314. doi:10.1111/j.1468-2281.2006.00392.x. ISSN1468-2281. The author of the Liber Eliensis indicates that Richard was appointed in 1159, during the preparations for the Toulouse campaign
↑Miyawaki–okada, Junko (January 1, 2006). "The Japanese Origin of the Chinggis Khan Legends". Inner Asia. 8 (1): 123–34. doi:10.1163/146481706793646819. ISSN2210-5018. Minamoto no Yoshitsune, or Gen Gikei as his name is in Sino-Japanese pronunciation, was born in 1159 as a half brother of Minamoto no Yoritomo
↑Salamon, Maciej; Hardt, Matthias; Kruk, Mirosław Piotr; Sulikowska, Aleksandra (2012). "The Archetypal Crusader. Henry of Sandomierz, the Second Youngest Son of Bolesław III by Darius Von Güttner-Sporzyński". Rome, Constantinople and Newly-converted Europe: Archaeological and Historical Evidence. Kraków, Leipzig, Rzeszów, Warszawa: Geisteswissenschaftliches Zentrum Geschichte und Kultur Ostmitteleuropas. p.215. ISBN9788389499851. Within the decade of his birth Henry's father died, and Henry's elder half-brother Władysław ii Wygnaniec (the exile [1105-1159]) ascended the Polish throne.
↑Lingard, John (1874). "Chapter VIII: William I, Surnamed The Conqueror". The History of England: From the First Invasion by the Romans to the Accession of William and Mary in 1688. Dublin: James Duffy & Sons. p.216.
↑Hillenbrand, Carol (2003). "The Imprisonment of Reynald at Châtillon". In Robinson, Chase F. (ed.). Texts, documents, and artefacts [electronic resource]: Islamic studies in honour of D.S. Richards. Leiden, Boston: BRILL. p.91. ISBN9789004128644.