Mark Thursday, July 18th on your calendar.

The family foundation of Nelson Mandela is asking everyone in the world to do something good that day.

It can anything from helping serve a meal at the Banquet to reading to kids in a city park.

The reason organizers chose July 18th is that's the day Nelson Mandela celebrates his 95th birthday.

Mandela's great grandson is asking everyone to reach out and help someone.

You have the opportunity to make every single day a Mandela day.

The announcement was made as Mandela remains in the hospital in serious but stable condition.

ABC News has more on the family's request.