Gregory of Nin was one of the biggest supporters of the Latin language to replace the popular Croatian language Croatian churches, in the first half of the tenth century. The church synod held 925th Whatever. Split into fights with King Tomislav of worship in Croatian (Slavic) language and the Glagolitic alphabet. Council conclusions should be confirmed Pope John X, but the 925th this is not done because the Pope came to various reports and letters. At the second congress, held also in Split 928th Whatever. abolished the Nin bishopric and Gregory of Nin was awarded Skradinska diocese. At the same Parliament ecclesiastical authority over the entire Croatian Dalmatia and is committed to the Archbishop of Split. It is forbidden ordination of priests who served the Mass in the old Croatian (those who did not know Latin), a liturgical language officially became Latin. As has been little priest who knew the Latin liturgy have continued to use the old Croatian Glagolitic.