用英文介绍一些关于生日的东西

这里都有，还有不同国家的庆祝生日的方式，太多了，不贴出来浪费资源了

http://www.kidsparties.com/traditions.htm

Birthday parties are always among the highlights of a child's year, but did you ever wonder how the tradition of birthday parties started?

The tradition of birthday parties started in Europe a long time ago. It was feared that evil spirits were particularly attracted to people on their birthdays. To protect them from harm, friends and family would to come be with the birthday person and bring good thoughts and wishes. Giving gifts brought even more good cheer to ward off the evil spirits. This is how birthday parties began.

At first it was only kings who were recognized as important enough to have a birthday celebration (maybe this is how the tradition of birthday crowns began?). As time went by, children became included in birthday celebrations. The first children&