Olomouc

City · 1017 CE · in Europe

Capital of Margraviate of Moravia (1385–1414).

Faro (c. 1018 CE): Capital of Taifa of Santa Maria do Algarve (1018–1051).
Béjaïa (c. 1018 CE): Capital of Hammadid Dynasty (1018–1151).
Almería (c. 1015 CE): Capital of Taifa of Almería (1015–1147).
Murcia (c. 1015 CE): Capital of Taifa of Murcia (1015–1249).
Huelva (c. 1015 CE): Capital of Taifa of Saltés and Huelva (1015–1051).
Granada (c. 1015 CE): Capital of Taifa of Granada (1015–1090), Emirate of Granada (1241–1491).
Morón de la Frontera (c. 1015 CE): Capital of Taifa of Morón (1015–1065).
Carmona (c. 1015 CE): Capital of Taifa of Carmona (1015–1150).
Arcos de la Frontera (c. 1015 CE): Capital of Taifa of Arcos (1015–1071).
Albarracín (c. 1015 CE): Capital of Taifa of Albarracín (1015–1104).

Around the same time and place

Christianization of Kievan Rus' (988 CE): Vladimir the Great adopted Orthodox Christianity from Byzantium and had the people of Kyiv baptised in the Dnieper.
William the Conqueror (c. 1028 CE – 1087 CE): Duke of Normandy who conquered England in 1066 and became its first Norman king.
East–West Schism (1054 CE): Break in communion between the Church of Rome and the Church of Constantinople, dividing Catholic and Eastern Orthodox Christianity.
Battle of Hastings (1066 CE): William, Duke of Normandy, defeated and killed King Harold II, beginning the Norman conquest of England.
Trier (16 BCE – 1618 CE): Capital of Electorate of Trier (1333–1618).
Varangians to the Greeks (c. 800–1100 CE): Scandinavian traders and warriors travelled from the Baltic up the Neva and Volkhov past Novgorod, portaged to the Dnieper and sailed down past Kiev to the Black Sea and Constantinople.
Otto the Great (912 CE – 973 CE): German king who defeated the Magyars and was crowned emperor in Rome in 962; he was buried in Magdeburg.
Basil II (958 CE – 1025 CE): Byzantine emperor, called the Bulgar Slayer, who conquered the First Bulgarian Empire and brought Byzantium to its medieval height.