A file picture from August 31, 1997 shows the back of the crumpled wreck of the Mercedez-Benz in which Britain's Princess Diana and her companion Dodi Al Fayed died following a crash in a Paris tunnel.
March 15
Documents reveal that Diana was supposed to be in a different car the night she died in the fatal accident. A memo to Prime Minister Blair showed Diana's first vehicle failed to start.
Aug. 10
The Metropolitan Police investigation into Diana's death is expected to cost more than $3.3 million, according to official figures.