Celebrates his birthday each year by giving to a different cause, such as helping street children, supporting scholarship programs or promoting peace in Mindanao.

FORBES: 2012 Southeast Asian Philanthropists

To remind yourself, look them up on the same day each year, perhaps on your birthday.

WSJ: Getting Going: How to Fix a Credit-Report Error

Each year, she celebrates her actual birthday on 21 April and her official birthday on a Saturday in June.

BBC: Queen to celebrate 87th birthday with family