Vladimir Putin will take part in festivities to celebrate the 700th birth anniversary of St Sergius of Radonezh 2014-07-17 15:00:00 On July 18, Vladimir Putin will take part in festivities to celebrate the 700th birth anniversary of St Sergius of Radonezh, to be held in Sergiyev Posad. The President, together with Patriarch Kirill of Moscow and All Russia, will address the pilgrims and guests and will visit the Assumption and Trinity cathedrals in the Holy Trinity Monastery of St Sergius.