Everyday of Advent I'm going to post a geeky link to something you can play with online until it is time to open your presents.
Your life in history
Your Life in History allows you to explore how your personal timeline relates to major world events. You simply enter your date of birth and the site puts the history of your timeline into context.
For example, my father's life can be split into two halves - one before hip hop records and one after. For me personally, I have lived half of my life with Harry Potter and half of it without.