1928 Christian Dior cofounds an art gallery that displays works by Picasso. 1947 Dior holds his first fashion show in Paris.

From Matthieu Blazy’s debut at Chanel to Jonathan Anderson at Dior — here are the moments that defined Paris Fashion Week.

Dad sneakers, Quiet Luxury, Barbiecore—all are trends that have swept through the fashion industry in recent years, dominating our wardrobes and defining a cultural moment. But in a wonderful twist of ...