With the Spanish conquest of Islamic Granada and the expulsion of the Jews from Spain, the year 1492 marks the exile from Europe of crucial strands of medieval culture. It also becomes a symbolic marker for the expulsion of a diversity in language and grammar that was disturbing to the Renaissance sensibility of purity and stability. In rewriting Columbus's narrative of his voyage of that year, Renaissance historians rewrote history, as was often their practice, to purge it of an offending vulgarity. The cultural fragments left behind following this exile form the core of "Shards of Love," as...