Ruy López de Segura Ruy López de Segura Rodrigo (Ruy) López de Segura (c. 1530 – c. 1580) was a Spanish priest and later bishop in Segura whose 1561 book "Libro de la invención liberal y arte del juego del Axedrez" was one of the first definitive books about modern chess in Europe, preceded only by Pedro Damiano's 1512 book, Luis Ramírez de Lucena's 1497 book (the oldest surviving printed book on chess), and the Göttingen manuscript (authorship and exact date of the manuscript are unknown). He was born in Zafra near Badajoz, and he studied and lived in Salamanca. In 1560 he won
Sicilian language either side) and had a significant influence on the Sicilian vocabulary. The following words are of Spanish derivation: Since the Italian Unification (the Risorgimento of 1860–1861), the Sicilian language has been significantly influenced by (Tuscan) Italian. During the Fascist period it became obligatory that Italian be taught and spoken in all schools, whereas up to that point, Sicilian had been used extensively in schools. This process has quickened since World War II due to improving educational standards and the impact of mass media, such that increasingly, even within the family home, Sicilian is not necessarily the language of choice. The