Byzantine Empire under the Heraclian dynasty
History of Russia
907-1239: Kyivan Rus
1239-1386: Mongol in Conquest
1386-1567: Tsardom of Muscovy
1567-1600: Tsardom of Russia
1600-1721: Medieval Russia
1721-1805: Empire of Russia
1805-1825: Medieval Empire of Russia
1825-1885: Tsar Empire of Russia
1885-1916: Kingdom of Russia
1916-1917: Russian Republic
1917-1919: Russian Soviet Federative Socialist Republic
1919-1991: Union of Soviet Socialist Republics
1991-2025: Russian Federation
Byzantine Empire Under The Heraclian Dynasty Media
The Arsanias River, now known as the Murat River in modern Turkey.
Battle between Heraclius and the Persians. Fresco by Piero della Francesca, c. 1452
Because of the Byzantine–Sasanian War of 602–628 both Byzantines and Persians exhausted themselves and made them vulnerable for the expansion of the Caliphate.
Emperor Taizong of Tang (r. 626–649) giving an audience to Gar Tongtsen Yulsung, ambassador of the Tibetan Empire, in a painting by Tang Chinese artist Yan Liben (600–673 AD)