Balloons with tags to fill out and return as to where they have traveled to would be fun. Be prepared for lots of hugging and kissing as the ball drops and plan on spending part of your party time circulating to congratulate as many guests as possible. This is a party that can start very late and go to the wee hours or end right after midnight. It is your choice. When planning the time, make sure to consider the next day s schedule of guests.
Games are fun to decide upon since so many things based on the history and time can be used.
Choosing your best ten lists of the century or millennium for any category could be interesting. It has been done all over, so you need to give it a new twist. The Best Ten Movies, Songs, Quotes, etc can be used if you can t come up with others. Did This Past year. Games like Beat the Clock where you are supposed to complete a certain task before the timer goes off.