 Complete the following phrase:  However, the First World War and the Russian Revolution created turmoil in his native land. On 21 June 1917, the Diocesan Congress of clergy and laity elected Tikhon the ruling bishop of Moscow. On 14 August 1917 OS, Tikhon was raised to the dignity of Metropolitan of Moscow. On the next day, the Local Council of the ROC, the first such convention since the late 17th century, opened in Moscow. The councils major decision that passed on 28 October 1917, days after the 