Gymnasia#31
Editors: Slavik Kokoulin and Ann Shevchenko
The construction of St Sophia Cathedral was begun in the first half of the 11th century, probably in 1037 by Yaroslav the Sage. It was meant to replace Kiev's very first church, the Dessiatinnaya (Our Lady of the Tithes), built by his great-grandmother Duchess Olga in 952