Spire spires were an astounding architectural innovation, beginning with the early fourteenth-century spire at Freiburg Minster, in which the pierced stonework was held together by iron cramps. The openwork spire, according to Robert Bork, represents a "radical but logical extension of the Gothic tendency towards skeletal structure." The organic skeleton of Antoni Gaudi's phenomenal spires at the Sagrada Família in Barcelona represent an outgrowth of this Gothic tendency. Designed and begun by Gaudi in 1884, they were not completed until the 20th century. In England, "spire" immediately brings to mind Salisbury Cathedral. Its 403-foot (123-m) spire, built between 1320 and 1380,
Trinity Episcopal Cathedral (Davenport, Iowa) Henry C. Potter, was a priest and later bishop in New York. The cathedral was designed in the English Gothic style. The cornerstone for the new cathedral was laid on June 17, 1867 on the Griswold College property. The building was completed in 1873 according to 14 architectural drawings, but without the planned bell tower and spire. The Diocesan Convention of 1872 recommended that the structure should be a Cathedral Church. It was named Grace Cathedral after Grace Church in New York because a significant amount of the money that was raised to build the cathedral came from this one