1888: J. Tron & Co., a partnership founded by entrepreneurs Joseph Tron and Joseph Léautaud, begins construction of a five-story building on the corner of what today is Venustiano Carranza and Avenida 20 de Noviembre in Mexico City. The store would be called El Palacio de Hierro, or “The Iron Palace.”
1891: On July 1, the first building of El Palacio de Hierro Centro (Downtown) opens.
A Stella McCartney sketch of a custom dress made from protein-based silk in partnership with biotech lab Bolt Threads. The dress will be displayed at The Museum of Modern Art's upcoming design exhibition, "Items: Is Fashion Modern?"