1. What's the maximum number of people one can mark as friends on Facebook?

2. Who is Britain's wealthiest sports person?

3. The name Blighty - English troops' slang for England - is derived from which language?

4. Which is the oldest football club in the world?

5. Whom was Marilyn Monroe due to marry when she was found dead?

For the answers, please visit: ten things i didn't know until last week.