Complex sentence: In October 1999, Mr. Glaser's illustrations of Dante's Purgatorio were exhibited at the Nuages Gallery in Milan, Italy, and Nuages organized a large exhibition of Mr. Glaser's work during the 2000 Carnevale in Venice.
Split into simpler sentences: In October 1999, Glaser's illustrations of Dante's Purgatorio were exhibited at the Nuages Gallery in Milan, Italy. Nuages also organized a large exhibition of Glaser's work during the 2000 Carnevale in Venice.