History of the Yoruba people military capital of Ilorin, and then sacked and destroyed Ọyọ-Ile, the royal seat of the Ọyọ Empire. Following this, Ọyọ-Ile was abandoned, and the Ọyọ retreated south to the present city of Oyo (formerly known as "Ago d'Oyo", or "Oyo Atiba") in a forested region where the cavalry of the Sokoto Caliphate was less effective. Further attempts by the Sokoto Caliphate to expand southwards were checked by the Yoruba who had rallied in defence under the military leadership of the ascendant Ibadan clan, which rose from the old Oyo Empire, and of the Ijebu city-states. However, the Oyo hegemony had
History of the Jews in 18th-century Poland an independent country. The great bulk of the Jewish population was transferred to Russia, and thus became subjects of that empire, although in the first half of the 19th century some semblance of a Polish state was preserved, greatly diminished, especially in the form of the Congress Poland (1815–1831). History of the Jews in 18th-century Poland The 18th-Century for the Jews of Poland was a tumultuous period as political unrest in the Polish–Lithuanian Commonwealth led to changes in the treatment and behavior of Jews living within its territory. The ascent of the Wettin dynasty to the Polish throne, as well