From typicallyspanish.com

History
Spain On This Day - June 24
By m.p.
Jun 24, 2008 - 6:59 AM

Fiestas en Almería, Las Palmas de Gran Canaria, León, Badajoz, Alicante y Albacete
Saints Days: Ciriaco, Natividad de San Bautista

1280: Sancho IV, son of Alfonso X, with the troops of Abu Yusuf and Banu Ashqilula reach the walls of Granada, where they are finally defeated
1963: The Montjuic Castle opens in Barcelona as a military museum, presided by Franco
1998. First section of line 8 of Madrid Metro is opened

Spanish politician, Juan Bravo Murillo, born 1803
Maria de las Mercedes de Orleans born 1860, she would become queen consort in Spain in 1878
Luis Garcia, footballer, born 1978