Florence Cathedral, formally the Cathedral of Saint Mary of the Flower, is the cathedral of the Catholic Archdiocese of Florence. Commenced in 1296 in the Gothic style to a design of Arnolfo di Cambio and structurally completed by 1436 with the dome engineered by Filippo Brunelleschi; the basilica's exterior is faced with polychrome marble panels in various shades of green and pink, bordered by white, and features an elaborate 19th-century Gothic Revival (west) façade by Emilio De Fabris.