Olga of kiev: Did you mean...?

Basil II (aka Basilius II) was the emperor of the Byzantine Empire from 976 to 1025 CE. He became known as the Bulgar-Slayer (Bulgaroktonos) for his exploits in conquering ancient Bulgaria, sweet revenge for his infamous defeat at Trajan's...

Batu Khan (l. 1205-1255 CE) was a grandson of Genghis Khan and the founder of the Golden Horde. Batu was a skilled Mongol military commander and won battles from China to Persia, although his most famous exploits involve the grand Mongol...

Tsar Nicholas II (reign 1894-1917) was the last of the Romanov emperors, murdered along with his family during the turmoil of the Russian Revolution in 1917. Insisting on maintaining as far as possible the autocratic rule begun by his ancestors...

Franz Liszt (1811-1886) was a Hungarian composer of Romantic Music. Liszt first gained international fame as a piano virtuoso, an activity in which he was a pioneer, and then as a composer of piano works and symphonic poems, a form he created...

The siege of Leningrad (Saint Petersburg) began during Operation Barbarossa, the invasion of the USSR launched by the leader of Nazi Germany, Adolf Hitler (1889-1945), during the Second World War (1939-45). The siege or blockade lasted from...

The vacillating nature of Ancient Egypt's associations with the Kingdom of Kerma may be described as one of expansion and contraction; a virtual tug-of-war between rival cultures. Structural changes in Egypt's administration led to alternating...

A September 1941 photograph showing Axis troops advancing in the Ukraine during Operation Barbarossa in the Second World War (1939-45). (Imperial War Museums)

The Mongol Empire (1206-1368) was founded by Genghis Khan (r. 1206-1227), first Great Khan or 'universal ruler' of the Mongol peoples. Genghis forged the empire by uniting nomadic tribes of the Asian steppe and creating a devastatingly effective...

The Byzantine Empire existed from 330 to 1453. It is often called the Eastern Roman Empire or simply Byzantium. The Byzantine capital was founded at Constantinople by Constantine I (r. 306-337). The Byzantine Empire varied in size over the...

Hagia Sophia in Istanbul, constructed 532-537, continues to be revered as one of the most important structures in the world. Hagia Sophia (Greek Ἁγία Σοφία, for 'Holy Wisdom') was designed to be the major basilica of the Byzantine Empire...