More4 will mark the 20th anniversary of the death of Diana, Princess of Wales with a special documentary reflecting on how the aftermath of her passing impacted so many lives, revealing personal accounts from people who have retained vivid memories, decades on.

Remembered as “The People’s Princess”, the documentary will hear from friends, those who worked with her, those who met her briefly and those who admired her. They each tell their stories, in many cases for the first time in public, about the Diana they knew.

The programme will recall the historic moment the world lost one of the most noteworthy lives of the twentieth century and explore how the nation’s loss left so many with distinct and moving memories.

Diana: Where Were You When? (w/t 1 x 60) was commissioned for Channel 4 by Alex Menzies, Commissioning Editor, Features and is a Screenchannel Television Ltd Production. It is produced by Richard Nash and executive produced by Peter Lowe.