On February 16, 2021, Queen Letizia visited the exhibition "Concepción Arenal: la pasión humanista 1820-1893 (Concepción Arenal. The humanistic passion 1820-1893)" organized by the National Library of Spain and The Spanish Cultural Action. The exhibition is being held on the occasion of the 200th anniversary of the birth of thinker Concepción Arenal.