Complex sentence: After his third wife's death in 1915, a board of trustees was appointed to carry out the Curriers' wishes that a structure be constructed, and in October 1929, the art gallery opened its new facility.
Split into simpler sentences: After his third wife's death in 1915, a board of trustees was appointed to carry out the Curriers' wishes that a structure be constructed. In October 1929, the art gallery opened its new facility.