1. Cost: The total cost of the wedding was estimated to be around $48 million (£30 million at the time). Adjusted for inflation, this would be approximately $137 million (£100 million) in today's currency. 2. Venue: The wedding ceremony was held at St. Paul's Cathedral in London, which can accommodate up to 3,500 guests. The reception took place at Buckingham Palace, the official residence of the British monarch. 3. Guest List: The guest list included around 3,500 people, including foreign dignitaries, members of the royal family, and celebrities from around the world. Over 750 million people worldwide watched the wedding on television. 4. Dress: Lady Diana's wedding dress was designed by David and Elizabeth Emanuel and featured a 25-foot train, the longest in royal history. It was adorned with sequins, lace, and pearls, and was valued at £9,000 (approximately $12,000). 5. Security: The security measures for the wedding were extensive, with over 4,000 police officers deployed to ensure the safety of the couple and the guests. The cost of security alone was estimated to be around £600,000 (approximately $800,000).

6. Flowers: The floral arrangements for the wedding were elaborate and included over 27 different varieties of flowers. The most prominent flower used was the white gardenia, which was chosen for its fragrance. 7. Cake: The wedding cake was a grand centerpiece, standing five feet tall and weighing over 500 pounds. It was made by the Royal Navy's Cookery School and featured intricate designs and decorations. 8. Transportation: Lady Diana arrived at the cathedral in a glass coach, while Prince Charles traveled in the famous gold State Landau carriage. After the ceremony, the couple rode together in the carriage to Buckingham Palace. 9. Music: The wedding ceremony featured a choir of 600 voices and included performances by renowned musicians such as the London Philharmonic Orchestra and the Choir of St. Paul's Cathedral. 10. Souvenirs: To commemorate the wedding, various souvenirs were produced, including commemorative plates, coins, stamps, and even a Lady Diana doll. These items became highly sought after and are now considered collector's items.