Vladimir died in 1015. He, too, divided Russia among his numerous sons. One of them, Iaroslaf, received Novgorod, where he began to interfere with the rights of the people. A deputation of leading citizens came to him with a protest. He ordered their arrest and condemned them to death. Meanwhile Vladimir's other heirs had indulged in the usual quarrels and wars, until it seemed as if Sviatopolk, a nephew, would become the sole ruler. Iaroslaf then called the principal people of Novgorod together, and threw himself upon their generosity. They forgave him and promised their support. They kept their word, and after a long and bloody war he entered Kief as his father's successor.
Iaroslaf was unfortunate in a war with the Byzantine Empire. The Russian fleet was badly defeated in the Bosphorus; 8,000 men were killed, and 800 prisoners were taken to Constantinople.
Of greater importance was Iaroslaf's work at home. He built (p. 045) churches and monasteries; St. Sophia church was the pride of Kief; the monastery of The Catacombs still draws pilgrims from all parts of Russia. Kief became known as "the city of four hundred churches." He also founded a school for three hundred boys at Novgorod, thereby showing that Russia at that time was second to no European nation.
Kief, under his reign, was one of the most prosperous cities. This was due to her situation on the Dnieper and her trade with the Byzantine Empire, to the great fertility of the Black Earth land, and to Iaroslaf's connection by marriage with the reigning families of Europe. Of his daughters Elizabeth was the wife of the King of Norway, Anne of the King of France, and Anastasia of the King of Hungary; his sister Mary was married to the King of Poland, and his sons had married into royal families. Merchants from Holland, Germany, Hungary, and Scandinavia were established at Kief. The Dnieper was alive with merchant vessels, and she counted eight markets. It is evident that Iaroslaf took pains to protect and advance commerce. He had coins minted with his Slav name on one side, and his Christian name Ioury (George), on the other.
Perhaps his greatest work is the code of laws established by him, known as the _Russkaïa Pravda_ or Russian Right. Though necessarily primitive, it was a long step in advance of that time. It followed chiefly the ideas of right and wrong according to the conceptions of the Scandinavians.