70 things we know about the Queen – from corgis and cornflakes to HMY Britannia and Bond

She has carried out more than 21,000 engagements during her reign and sent 300,000 birthday messages to centenarians

1. Elizabeth's birth in 1926 was attended by the home secretary. She became heir to the throne aged 10. She never went to school.

2. Elizabeth was given her first corgi, Susan, on her 18th birthday in 1944. Susan once bit the ankle of a royal clockwinder, Leonard Hubbard, and has her own Wikipedia page, with sections including royal life" and death and legacy".