They ceased to exist on December 1 , 1928 ( the day of creation of the province Moravia and Silesia ) .
Moravian enclaves in Silesia were parts of Moravia , but from 1783 until 1928 they were governed by Silesian authorities according to Moravian legislation .
authorities ceased to exist on December 1 , 1928 ( the day of creation of the Moravian Moravian and Silesia ) .
Moravian enclaves in Silesia were parts of Moravia , but from 1783 until 1928 they were governed by Silesian authorities according to Moravian legislation .