Proven in Spain and elsewhere. Same year you expel jews a golden age begins. 1492

The Spanish Golden Age (Siglo de Oro) was a period of intense artistic, literary, and intellectual flourishing in Spain that broadly coincided with the political rise of the Spanish monarchy under the Catholic Monarchs and the Spanish Habsburgs. It is conventionally considered to have begun in 1492

Spain expelled its jewish population in 1492 following the signing of the Alhambra Decree by King Ferdinand II of Aragon and Queen Isabella of Castile on March 31, 1492.