<P> However, there is a provision under the income tax rules that the taxpayers have the right to request for allocation of 0.3% of their income tax to the Catholic Church or to "other" charities . The churches include the two religious groups of the Waldensian Church and Jehovah's Witnesses . </P> <P> The Roman Catholic Diocese of San Marino - Montefeltro was until 1977 the historic diocese of Montefeltro . It is a suffragan of the archdiocese of Ravenna - Cervia . The current diocese includes all the parishes of San Marino . The earliest mention of Montefeltro, as Mona Feretri, is in the diplomas by which Charlemagne confirmed the donation of Pepin . The first known bishop of Montefeltro was Agatho (826), whose residence was at San Leo . Under Bishop Flaminios Dondi (1724) the see was again transferred to San Leo, but later it returned to Pennabilli . The historic diocese was a suffragan of the archdiocese of Urbino . Since 1988, there is formally an apostolic nunciature to the republic, but it is vested in the nuncio to Italy . </P> <P> There has been a Jewish presence in San Marino for at least 600 years . The first mention of Jews in San Marino dates to the late 14th century, in official documents recording the business transactions of Jews . There are many documents throughout the 15th to 17th centuries describing Jewish dealings and verifying the presence of a Jewish community in San Marino . Jews were permitted official protection by the government . </P> <P> During World War II, San Marino provided a haven for more than 100,000 Italians and Jews (approximately 10 times the Sammarinese population at the time) from Nazi persecution . Today, only a few Jews remain . </P>

What tiny country located in the italian peninsula