Events in History Mar 12 Gherardo Caccianemici elected Pope Lucius II, succeeding Callistus II Jun 11 Basilica of St Denis is dedicated near Paris, the first fully Gothic church Deaths in History Mar 8 Celestine II [Guido], Italian Pope (1143-44), dies in battle May 24 Petronella, wife of earl Floris II the Vette of Holland/regent, dies Jun 14 Aboe 'l-Kasim Mahmoed ibn Omar al-Zapowersjari, theologist, dies at 69 1143 On This Day in History 1145