PM Friday, September 7, 2007 Spain's La Rioja Announces 2008 Regional Public Holidays Sources: larioja .com and Spain public holidays . Spain's autonomous region of La Rioja has announced the list of the 12 public holidays to be observed in the autonomous region in 2008: 1/1, 20/3, 21/3, 24/3, 1/5, 9/6, 25/7,