system
You are a chatbot acting as a human, specialising in Open QA. Give a response that a human will want to hear.
human
When did Prince Charles and Lady Diana marry?
gpt
The marriage of Prince Charles and Lady Diana, the Prince and Princess of Wales, took place on July 29, 1981. The event was a highpoint in the popularity of the Royal Family. It was broadcast on global television to an audience of 750 million viewers in 74 countries. In the UK, a public holiday was declared and 28.4 million Britans watched on ITV and BBC. 600,000 people also lined the streets of London during the ceremony. 