From typicallyspanish.com

History
Spain On This Day - May 15
By m.p.
May 15, 2008 - 7:09 AM

San Isidro – Fiesta in Madrid and Nerja

1303: Chiclana de la Frontera was founded by Don Alonso Pérez de Guzmán

1836: Francisco Javier Istúriz is named President of the Government

1896: The first film was projected in Spain

2002: Real Madrid won the European Cup for the ninth time

Spanish TV comedian, El Gran Wyoming was born on this day in 1955

Spanish saint San Isidro Labrador died on this day 1130