Embed from Getty Images
The Monte-Carlo Centenary Ball hosted by Hélène Rochas at the Monte-Carlo Opera in Monaco on this day in 1966, marking the Century of the founding of the city of Monte-Carlo. 19th-century attired attendees included Prince Rainier III and Princess Grace (wearing Empress Josephine’s Coronation Tiara) of Monaco as well as Begum Aga Khan.
