Rus'

Vladimir Sviatoslavich the Great, prince of Novgorod, grand prince of Kiev, and ruler of Kievan Rus' from 980 to 1015.

 * Pagan ruler who adopted Greek Orthodox Christianity in 988 AD, after conversing with representatives of other available alternatives.
 * 1000th anniversary of the repose of St. Vladimir is celebrated on 28.7.15 in Novorossia, Russia, Ukraine and Belorus. An official holiday in DPR; Russia; Ukraine.
 * Monument in Kiev ; a new monument in Moscow is planned.



Yaroslav The Wise, ruler of Kiev and Novgorod 1019–1054 AD

 * 'Sermon on Law and Grace' (text) (ru.wikipedia), by (Yaroslav-Appointed) Metropolitan Illarion, 1051 AD, Kiev.
 * (selecting Параллельно option gives old Russian transliterated and parallel Russian translation)


 * Nestor Chronicle (text)(wiki), written 1110—1118 AD, Kiev. Covers biblical times through 1117 AD.
 * 'George says in his Chronicle: "Every nation has either written law or custom that people who do not know the law observe as the tradition of their fathers. Of these, the first - Syrians living on the edge of the world, their law is following customs of their fathers: do not engage in fornication and adultery, do not steal, do not slander or kill, and especially do not do evil' ...     (Noahide Laws-wiki)

...

Mongol Invasion of Rus', 1220-1240
Most cities, including Moscow, Vladimir, Kiev were sacked. Novogorod and Pskov were not destroyed, but submitted to the Tatar-Mongol rule, ie paid tax, princes received their authority from Mongols, etc. Some Northern territories remained free altogether. Eventually role of Moscow increased (some Western authors claim, due to an alliance with Tatar -Mongols, -though this is not the official historic narrative).



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