As well as being my mum's 93rd birthday today, it's also Nelson Mandela's 90th (don't believe what they tell you at celebratory concerts).

My mother doesn't really appreciate that she was born on the same day of the year as Nelson Mandela.

In the same way, I often keep quiet about the fact that I shared a birthday with Ronald Reagan (without whom, George W would not have been possible, and was pretty horrendous in his own right).