From typicallyspanish.com

History
Spain On This Day - May 10
By m.p.
May 10, 2008 - 8:44 AM

1026: The Generals Muyahid and Jayran entered Córdoba

1713: The Sálica law, prohibiting women from accessing the throne was introduced in Spain

1720: Construction started on the Plaza Mayor in Salamanca

1808: Fernando VII renounced his rights to the Spanish throne, in Bayonne

1840: The first Spanish trade union – the Sociedad de Tejedores was founded

1891: First edition of Blanco y Negro, famous Spanish magazine

1920: An exhibition of old fans was opened in Madrid

1924: King Alfonso XIII opened an official car exhibition

1975: A series of terrorist attacks were carried out by far right groups in Bilbao

1979: Incidents in the Carabanchel prison in Madrid caused 2 deaths and 15 injuries
1979: Salvador Dalí entered as a member of the French Fine Arts Academy

1984: Rafael Escobedo was sentenced to 53 years in prison by the Supreme court for the murder of Marquises of Urquijo

Fernando the Catholic, King of Aragon, 1479-1516 was born 1452.
Tennis player, Manuel Santana born 1938