Some were planned, some were accidents, but one thing's for certain - there had to be something going through your parents heads while you were being conceived. Historical Snapshots of Birth Trends focus on the events and cultural elements that may have contributed to you being born. Fashion trends, the weather and popular culture all had a hand in bringing you into this world. Check out this fresh graphic and then try to remove the horrible image of your parents having sex. [Infothetics]