Berlin Cathedral is the short name for the Evangelical Supreme Parish and Collegiate Church in Berlin, Germany. It is located on Museum Island in the Mitte borough. Berlin Cathedral has a long history starting as a Roman Catholic place of worship in the 15th century. In 1539 Prince-Elector Joachim II Hector converted from Catholicism to Lutheranism, as earlier had done many of his subjects. The collegiate church thus became Lutheran too, like most of the electoral subjects and all the churches in the Electorate. In 1975 reconstruction started, In 1980 the baptistery and wedding church was reopened for services. The restoration of the nave was begun in 1984. On 6 June 1993 the nave was reinaugurated