Today, Queen Elizabeth II becomes Britain’s longest reigning monarch.
She will have reigned for 63 years and seven months – calculated at 23,226 days, 16 hours and approximately 30 minutes at about 16:30 GMT.
The Queen was on holiday in Kenya’s capital Nairobi when she was appointed in February 1952.
Watch the BBC’s Alastair Leithead report from where her journey started 63 years ago:
Via BBC Africa