 When Spain revived the Royal Decree of Graces of 1815 with the intention of attracting non-Hispanics to settle in the island, thousands of Corsicans (though the island was French since 1768 the population spoke an Italian dialect similar to Tuscan Italian) during the 19th century immigrated to Puerto Rico, along with German immigrants as well as Irish immigrants who were affected by the Irish Potato Famine of the 1840s, immigrated to Puerto Rico.They were followed by smaller waves from other European countries and China.During the early 20th century Jews began to settle in Puerto Rico.