The Queen has thanked well-wishers at home and overseas for their "touching messages of kindness" as she becomes Britain's longest-reigning monarch.
Speaking in the Scottish Borders, the 89-year-old monarch said the title was "not one to which I have ever aspired".
The Queen will have reigned for 63 years and seven months - calculated at 23,226 days, 16 hours and approximately 30 minutes at about 17:30 BST.
